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Best Worm Gears - Buying Guide

Last Updated: 10/16/2019

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Bestselling Worm Gears on Amazon

  1. GREEN FABWOOD 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear (Original Version)
  2. Quimat Plastic Gear Set, 75Pcs Single Double Reduction Gear Worm Gear for DIY Car Robot QY12
  3. Whirlpool 9709231 Replacement Gear Parts
  4. CNBTR 0.5 Modulus Light Weight Brass Worm Reducer 20T Wore Gear Wheel + 3.175mm Bore Worm Gear Shaft
  5. Boston Gear GB1071 Worm Gear, Web, 14.5 PA Pressure Angle, 0.750" Bore, 30:1 Ratio, 30 TEETH, RH
  6. uxcell Plastic Gear DIY Reduction Worm Gears Model 102A for RC Car Robot Motor White 20Pcs
  7. Jffeay 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear
  8. 26pcs Plastic Spindle Worm Gear Set Assorted Plastic Shaft for Aircraft Car Model DIY Kit 2MM/2.3MM/...
  9. Boston Gear GH1076RH Worm Gear, 14.5 Degree Pressure Angle, 0.750" Bore, 8 Pitch, 1.5 PD, RH
  10. CNBTR Yellow 3MM Hole Dia Brass Worm Gear Shaft + 31MM OD 60 Teeth Brass Worm Gear Wheel 0.5 Modulus Set

  #1

GREEN FABWOOD 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear (Original Version)

Model: Elec-A52-138   |    Mpn: Elec-A52-138   |    Ean: 0602981517630   |    PartNumber: Elec-A52-138   |   Asin: B00V66YJQI

75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear Description: Material: plastic Type: spindle gear, crown gear, single gear, double gear, worn gear, bevel gear, belt pulley, belt, connecting rack, axle sleeve, tee collar Quantity: 75 Feature: 75 type ideal for DIY science and small production, product design and mechanical model Package included: 19X Double Reduction Gear(each one) 12X Single Reduction Gear(each on) 11X Crow Gear(each one) 2x Worm Gear(each one) 9X Spindle Gear(each one) 7X Belt Pulley(each one) 6X Axle Sleeve(each one) 5X Belt(each one) 2X Connection Rack(each one) 1X Tee Collar

Features

  • 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear Description: Material: plastic Type: spindle gear, crown gear, single gear, double gear, worn gear, bevel gear, belt pulley, belt, connecting rack, axle sleeve, tee collar Quantity: 75 Feature: 75 type ideal for DIY science and small production, product design and mechanical model Package included: 19X Double Reduction Gear(each one) 12X Single Reduction Gear(each on) 11X Crow Gear(each one) 2x Worm Gear(each one) 9X Spindle Gear(each one) 7X Belt Pulley(each one) 6X Axle Sleeve(each one) 5X Belt(each one) 2X Connection Rack(each one) 1X Tee Collar
  • See more on Amazon...

Brand: GREEN FABWOOD   |   Manufacturer: JeabJJ Shopping

Package Dimensions: 0.47 x 4.75 x 8 inches (1.2 x 12.1 x 20.3 cm)

Amazon Price: $5.99 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $5.99

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  #2

Quimat Plastic Gear Set, 75Pcs Single Double Reduction Gear Worm Gear for DIY Car Robot QY12

 PartNumber: QY12   |   Asin: B06XCG24HZ

Description:
The product is for toys gear spare parts package
The great tools for all kinds of DIY cars, robots, model making accessories
Suitable for DIY model production technology
This is the most complete gear set, includes 75 kinds of gear parts. It can meet your DIY needs

Package includes:
1. Double Gear: 19 kinds
2. Single Gear: 12 kinds
3. Spindle Gear: 9 kinds
4. Crown Gear: 11 kinds
5. Worm Gear: 2 kinds
6. Bevel Gear: 1 kind
7. Belt Pulleys: 7 kinds
8. Axle Sleeve: 6 kinds
9. Connecting Rack: 2 kinds
10. Tee Collar: 1 kind
11. Belt: 5 kinds

Features

  • 100% Brand new and high quality.
  • Material:Plastic. Quantity:75pcs
  • 75 kinds of parts and accessories in just one package, which makes it a perfect choice for laboratories, science education, and DIY models.
  • The plastic includes crown gear, single gear, double gear, worm gear, belts and other transmission parts. And all the display pictures were taken in kind.
  • See more on Amazon...

Brand: Quimat   |   Manufacturer: Quimat

Package Dimensions: 1.5 x 2.75 x 5.75 inches (3.8 x 7.0 x 14.6 cm)

Amazon Price: $9.99 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #3

Whirlpool 9709231 Replacement Gear Parts

Model: 9709231   |    Mpn: 9709231   |    Ean: 0781147427034   |    PartNumber: 9709231   |   Asin: B014W97MH8

This is an O.E.M. authorized part. Fits various KitchenAid models. OEM Part Number 9709231. The item is manufactured in United States.

Features

  • This is an O.E.M. authorized part
  • Fits various Whirlpool models
  • OEM Part Number 9709231
  • The item is manufactured in United States
  • Whirlpool supply
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Brand: Whirlpool   |   Manufacturer: Whirlpool

Item Dimensions: 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm)   |   Package Dimensions: 3.4 x 4.4 x 4.4 inches (8.6 x 11.2 x 11.2 cm)

Amazon Price: $35.96 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $21.98

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  #4

CNBTR 0.5 Modulus Light Weight Brass Worm Reducer 20T Wore Gear Wheel + 3.175mm Bore Worm Gear Shaft

Model: M6180801064   |    Mpn: M6180801064   |    PartNumber: M6180801064   |   Asin: B07G4YQGTQ

Specifications:
Material: Brass
Color: Yellow
Brand name: CNBTR
Modulus: 0.5
Weight: 16g

Size of worm wheel:
Teeth:20
Teeth Dia :11.2mm
Height: 12mm/0.47inch
Outer Diameter: 11mm/0.43inch
Hole Diameter: 4mm/0.16inch
Step Size: 9x7mm/0.35x0.27inch ( Dia x H)
Overall Size: 12x11x4mm/0.47x0.39x0.12inch( H x OD x ID)

Size of worm gear shaft:
Height: 20mm/0.79inch
Outer Diameter :9.8mm/0.39inch
Inner Diameter :3.17mm/0.12inch
Size: 20x9.8x3.17mm/0.79x0.39x0.12inch( H x OD x ID)

Features:
1.Include one 0.5 modulus brass worm gear shaft and one 20 teeth brass worm gear wheel.
2.The transmission structure of worm shaft is simple, compact, small volume and light weight.
3.Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
4.High quality material selection, carefully processing create high quality product.
5.Made of brass, long time service.

Package include:
1 x worm wheel
1 x worm gear shaft
2 x screws

The unique MPN label on each inner package, which confirm it passed the quality
inspection and it is genuine item sold from our shop. Please offer it to us
when you need assistance.

Features

  • Include one 0.5 modulus brass worm gear shaft and one 20 teeth brass worm gear wheel.
  • The transmission structure of worm shaft is simple, compact, small volume and light weight.
  • Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
  • High quality material selection, carefully processing create high quality product.
  • Made of brass, long time service.
  • See more on Amazon...

Brand: CNBTR    |   Manufacturer: yqltd

Package Dimensions: 0.51 x 2.95 x 4.45 inches (1.3 x 7.5 x 11.3 cm)

Amazon Price: $9.00 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.00

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  #5

Boston Gear GB1071 Worm Gear, Web, 14.5 PA Pressure Angle, 0.750" Bore, 30:1 Ratio, 30 TEETH, RH

Model: GB1071   |    Mpn: GB1071   |    Ean: 0781711136560   |    PartNumber: GB1071   |   Asin: B004N8505U

WORM GEAR, 8 DP, 14.5 PA, 30 TEETH, RH, BRONZE

Features

Brand: Boston Gear   |   Manufacturer: Boston Gear

Package Dimensions: 4.2 x 4.2 x 4.2 inches (10.7 x 10.7 x 10.7 cm)

Amazon Price: $156.60 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 1 to 3 weeks
List Price: $156.60

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  #6

uxcell Plastic Gear DIY Reduction Worm Gears Model 102A for RC Car Robot Motor White 20Pcs

Model: a18041000ux0276   |    Mpn: a18041000ux0276   |    PartNumber: a18041000ux0276   |   Asin: B07DH9DH89

1. The first two digits encoding: the number teeth of externally toothed gear. 2. The encoding three or four numbers: the number of internal gear teeth. 3. coding fifth digits: the pore size of the gears. 4. Last encoded in English: A: tight B: loose . 2A indicates that the central axis is 1.95mm; it is tightly fitted with the optical axis of 2mm and rotates together with the optical axis. 2B indicates that the central axis is 2.05 mm; with the optical axis of 2 mm, it is loosely fitted and is free to rotate on the optical axis. For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle. Gear diameter: (44+2)X 0.5(MM)=23MM Gear outer diameter is 23MM

Features

  • 100% Brand new and high quality.
  • Plastic Crown Gear ideal for DIY science and small production, product design and mechanical model.
  • For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle.
  • For example: Diameter of 44102B: (44+2) X 0.5(MM)=23MM, Gear outer diameter is 23MM
  • Our store have the most complete gears, which can meet your DIY needs.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 0.2 x 3.86 x 5.43 inches (0.5 x 9.8 x 13.8 cm)

Amazon Price: $4.89 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $4.89

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  #7

26pcs Plastic Spindle Worm Gear Set Assorted Plastic Shaft for Aircraft Car Model DIY Kit 2MM/2.3MM/3MM/3.17MM/4MM

 Ean: 0663862203998   |    PartNumber: Walfront1qnix6vp2g   |   Asin: B075QYB66V

DESCRIPTION: If you are a model amateur, you would know that spindle gears are essential and necessary parts for models. Aircraft, automobiles, boats, robots and other small production of science and technology will all need to use spindle gears. Here we provide 26pcs spindle gears of different sizes and sleeves which may meet your basic needs for model making. They are also good replacement parts of old or broken gears. SPECIFICATIONS: Material: Plastic Modulus: 0.5 Spindle Gears: White: 80.8A, 81A, 81.5A, 82A, 102A, 122A, 132A, 142A, 182A(9pcs) Blue: 153AD, 152.3A, 15.317A, 154AD(4pcs) Worm Gears: 6*62A, 6*82A(2pcs) Bevel Gear: S162A(1pc) Shaft Sleeves: 2mm(10pcs) Weight: 4g(approx.) Gear Diameter=(Teeth number+2) x 0.5 e.g. 81.5A 8 represents 8 teeth, Gear Diameter=(8+2) x 0.5=5mm 1.5A represents close-fitting with 1.5mm shaft. e.g. 153AD 15 represents 15 teeth, Gear Diameter=(15+2) x 0.5=8.5mm 3AD represents close-fitting with 3mm D shaft. PACKAGE INCLUDES: 9 pcs x White Spindle Gears 4 pcs x Blue Spindle Gears 2 pcs x Worms 1 pc x Bevel Gear 10 pcs x Shaft Sleeves NOTE: 1. Small parts. Not for children under 3 yrs. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Features

  • Made of high quality plastic, wearable and long service life
  • The products are for toys spindle gear spare parts, suitable for DIY model technology production
  • Small parts, easy to use, great model making accessories for all kinds of cars, robots, etc
  • This is the spindle gear set including many kinds of gear parts. The most complete gear set, includes 26pcs gear parts. It can meet your DIY needs
  • Mainly used in the coreless motors,130.140.180.260.280.370 and all 2mm motors, such as 2.3mm circular shaft motors, 3mm D shaft gear motors, 4mm D shaft gear motors, etc
  • See more on Amazon...

Brand: Walfront   |   Manufacturer: Walfront

Package Dimensions: 0.3 x 2 x 2 inches (0.8 x 5.1 x 5.1 cm)

Amazon Price: $8.36 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.49

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  #8

Boston Gear GH1076RH Worm Gear, 14.5 Degree Pressure Angle, 0.750" Bore, 8 Pitch, 1.5 PD, RH

Model: GH1076RH   |    Mpn: GH1076RH   |    Ean: 0781711128923   |    PartNumber: GH1076RH   |   Asin: B004N6352C

WORM, 8 DP, 14.5 PA, 1.5 PD, RH, STEEL/UNHARDENED

Features

Brand: Boston Gear   |   Manufacturer: Boston Gear

Package Dimensions: 2 x 2.1 x 2.6 inches (5.1 x 5.3 x 6.6 cm)

Amazon Price: $49.80 | as of 10/16/2019(1:16pm pst)
Availibility: Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your credit card will not be charged until we ship the item.
List Price: $49.80

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  #9

CNBTR Yellow 3MM Hole Dia Brass Worm Gear Shaft + 31MM OD 60 Teeth Brass Worm Gear Wheel 0.5 Modulus Set

Model: M6180801082   |    Mpn: M6180801082   |    PartNumber: M6180801082   |   Asin: B07G5C2QJ1

Specifications:
Material: Brass
Color: Yellow
Brand name: CNBTR
Weight: 56 g

Brass Worm Gear Shaft:
Modulus:0.5
Height: 20MM/0.79 Inch
Outer Diameter: 9.7MM/0.38 Inch
Inner Diameter: 3MM/0.12 Inch
Size: 20x9.7x3MM/0.79x0.38x0.12 Inch( H x OD x ID)
Weight: 10g

Brass Worm Wheel:
Modulus:0.5
Teeth: 60
Teeth Dia: 31.2MM
Height: 12MM/0.47 Inch
Outer Diameter: 31MM/1.22 Inch
Hole Diameter: 6MM/0.24Inch
Step Size: 20x7MM/0.79x0.27 Inch ( Dia x H)
Overall Size: 12x31x6MM/0.47x1.22x0.24 Inch( H x OD x ID)
Weight: 46g

Features:
1.Set include one 0.5 modulus 3MM Hole Dia brass worm gear shaft and one 60 teeth brass worm gear wheel.
2.The transmission structure of worm shaft is simple, compact, small volume and light weight.
3.Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
4.High quality material selection, carefully processing create high quality product.
5.Made of brass, long time service.

Package Content:
1 x Brass Worm Gear Shaft
1 x Brass Worm Wheel
2 x Screws

The unique MPN label on each inner package, which confirm it passed the quality
inspection and it is genuine item sold from our shop. Please offer it to us

Features

  • Set include one 0.5 modulus 3MM Hole Dia brass worm gear shaft and one 60 teeth brass worm gear wheel.
  • The transmission structure of worm shaft is simple, compact, small volume and light weight.
  • Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
  • High quality material selection, carefully processing create high quality product.
  • Made of brass, long time service.
  • See more on Amazon...

Brand: CNBTR    |   Manufacturer: yqltd

Package Dimensions: 0.43 x 2.99 x 4.49 inches (1.1 x 7.6 x 11.4 cm)

Amazon Price: $10.80 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.00

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  #10

27:1 Worm Gear Set (1/4" Bore Worm, Hub Mount Worm Gear)

 Ean: 0841298124265   |    PartNumber: 637225   |   Asin: B07HM98J5J

This 27:1 ratio worm gear set provides a compact way to create a drastic reduction in the output speed of a gear motor. The 1/4" D-bore of the stainless worm will allow it to mount on a 1/4" D-shaft which is used throughout the Actobotics build system. The mating worm gear mounts on a specialized Steel 1/4" D-Bore Barrel Hub for Worm Gear to create a reliable junction between the gear and the shaft it's turning. The worm and the worm gear are designed so that you can run them 0.75" apart from one another; the same spacing you'll find on Actobotics Channel and other components within the build system. Aside from the massive reduction in speed and the increase in torque, these worm gears will lock in place when at rest so you don't have to worry about an outside force backdriving the mechanism driving them. Parts Included: 1) 615464 27 Tooth Brass Hub Mount Worm Gear 1) 615462 1/4" D-Bore Stainless Steel Worm 1) 545694 Steel 1/4" D-Bore Barrel Hub for Worm Gear

Features

Brand: Actobotics   |   Manufacturer: ServoCity

Amazon Price: $21.99 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $21.99

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  #11

uxcell Plastic Gear DIY Reduction Worm Gears Model 082A for RC Car Robot Motor 30Pcs

Model: a18041000ux0300   |    Mpn: a18041000ux0300   |    PartNumber: a18041000ux0300   |   Asin: B07DH7XQXR

1. The first two digits encoding: the number teeth of externally toothed gear. 2. The encoding three or four numbers: the number of internal gear teeth. 3. coding fifth digits: the pore size of the gears. 4. Last encoded in English: A: tight B: loose . 2A indicates that the central axis is 1.95mm; it is tightly fitted with the optical axis of 2mm and rotates together with the optical axis. 2B indicates that the central axis is 2.05 mm; with the optical axis of 2 mm, it is loosely fitted and is free to rotate on the optical axis. For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle. Gear diameter: (44+2)X 0.5(MM)=23MM Gear outer diameter is 23MM

Features

  • 100% Brand new and high quality.
  • Plastic Crown Gear ideal for DIY science and small production, product design and mechanical model.
  • For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle.
  • For example: Diameter of 44102B: (44+2) X 0.5(MM)=23MM, Gear outer diameter is 23MM
  • Our store have the most complete gears, which can meet your DIY needs.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 0.94 x 3.7 x 4.92 inches (2.4 x 9.4 x 12.5 cm)

Amazon Price: $4.99 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $4.99

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  #12

CNBTR 0.5 Modulus Brass Worm Gear Shaft Set 6mm Hole Dia + 50T Brass Worm Wheel Set 1:50 Reduction Ratio

Model: M6180801087   |    Mpn: M6180801087   |    PartNumber: M6180801087   |   Asin: B07G5811RT

Specifications:
Material: Brass
Brand name: CNBTR
Reduction Ratio: 1:50
Modulus: 0.5
Gear Wheel Teeth:50
Gear Wheel Teeth Dia: 26.2mm
Gear Wheel Step Size: 20x7mm/0.79x0.28inch(Dia x H)
Wheel Size: 12x26x6mm/0.47x1.02x0.24inch( H x OD x ID)
Shaft Size: 20x11.7x6mm/0.79x0.46x0.24inch( H x OD x ID)
Weight: 47g

Features:
1.Include one 0.5 modulus brass worm gear shaft and one 50 teeth brass worm gear wheel.
2.The transmission structure of worm shaft is simple, compact, small volume and light weight.
3.Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
4.High quality material selection, carefully processing create high quality product.
5.Made of brass, long time service.

Package Content:
1 x Brass Worm Gear Shaft
1 x Brass Worm Wheel
2 x Screws

The unique MPN label on each inner package, which confirm it passed the quality
inspection and it is genuine item sold from our shop. Please offer it to us
when you need assistance.

Features

  • Include one 0.5 modulus brass worm gear shaft and one 50 teeth brass worm gear wheel.
  • The transmission structure of worm shaft is simple, compact, small volume and light weight.
  • Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
  • High quality material selection, carefully processing create high quality product.
  • Made of brass, long time service.
  • See more on Amazon...

Brand: CNBTR    |   Manufacturer: yqltd

Package Dimensions: 0.39 x 3.15 x 4.53 inches (1.0 x 8.0 x 11.5 cm)

Amazon Price: $9.80 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.60

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  #13

CNBTR 40T Brass Worm Gear Wheel & 5mm Hole Diameter Worm Gear Shaft Kits 0.5 Modulus Set 1:40 Reduction Ratio Drive Gear Box

Model: M6180801074   |    Mpn: M6180801074   |    PartNumber: M6180801074   |   Asin: B07G54YQL4

Specifications:
Material: Brass
Modulus:0.5
Reduction Ratio: 1:40
Brand name: CNBTR
Weight: 28g

Worm Gear Wheel:
Teeth:40
Teeth Dia: 21.2MM
Height: 12MM/0.47 Inch
Outer Diameter: 21MM/0.82 Inch
Hole Diameter: 5MM/0.2 Inch
Step Size: 15x7MM/0.59x0.27 Inch (Dia x H)
Overall Size: 12x21x5MM/0.47x0.82x0.2Inch(H x OD x ID)

Worm Gear Shaft:
Height: 20MM/0.79 Inch
Outer Diameter: 9.7MM/0.38 Inch
Inner Diameter: 5MM/0.2 Inch
Size: 20x9.7x5MM/0.79x0.38x0.2 Inch(H x OD x ID)

Features:
1.Set include one 0.5 modulus 5MM Hole Dia brass worm gear shaft and one 40 teeth brass worm gear wheel.
2.The transmission structure of worm shaft is simple, compact, small volume and light weight.
3.Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
4.High quality material selection, carefully processing create high quality product.
5.Made of brass, long time service.

Package Content:
1 x Brass Worm Gear Shaft
1 x Brass Worm Wheel
2 x Screws

The unique MPN label on each inner package, which confirm it passed the quality
inspection and it is genuine item sold from our shop. Please offer it to us.

Features

  • Set include one 0.5 modulus 5MM Hole Dia brass worm gear shaft and one 40 teeth brass worm gear wheel.
  • The transmission structure of worm shaft is simple, compact, small volume and light weight.
  • Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
  • High quality material selection, carefully processing create high quality product.
  • Made of brass, long time service.
  • See more on Amazon...

Brand: CNBTR    |   Manufacturer: yqltd

Package Dimensions: 0.3 x 1.4 x 4.5 inches (0.8 x 3.6 x 11.4 cm)

Amazon Price: $9.47 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.47

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  #14

CNBTR 5mm Bore Hole Diameter Brass Worm Gear Shaft with 20 Teeth Worm Wheel 0.5 Modulus Set Drive Gear Box Shaft

Model: M6180801066   |    Mpn: M6180801066   |    PartNumber: M6180801066   |   Asin: B07G556J43

Specifications:
Material: Brass
Color: Yellow
Brand name: CNBTR
Modulus: 0.5
Weight: 15g

Size of worm wheel:
Teeth: 20
Teeth Dia: 11.2MM
Height: 12MM/0.47 Inch
Outer Diameter: 11MM/0.43 Inch
Hole Diameter: 4MM/0.16 Inch
Step Size: 9x7MM/0.35x0.27 Inch ( Dia x H)
Overall Size: 12x11x4MM/0.47x0.39x0.12 Inch( H x OD x ID)

Size of worm gear shaft:
Height: 20MM/0.79 Inch
Outer Diameter: 9.7MM/0.38 Inch
Inner Diameter: 5MM/0.2 Inch
Size: 20x9.7x5MM/0.79x0.38x0.2 Inch( H x OD x ID)

Features:
1.Set include one 0.5 modulus 5MM Hole Dia brass worm gear shaft and one 20 teeth brass worm gear wheel.
2.The transmission structure of worm shaft is simple, compact, small volume and light weight.
3.Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
4.High quality material selection, carefully processing create high quality product.
5.Made of brass, long time service.

Package Content:
1 x Brass Worm Gear Shaft
1 x Brass Worm Wheel
2 x Screws

The unique MPN label on each inner package, which confirm it passed the quality
inspection and it is genuine item sold from our shop. Please offer it to us.

Features

  • Set include one 0.5 modulus 5MM Hole Dia brass worm gear shaft and one 20 teeth brass worm gear wheel.
  • The transmission structure of worm shaft is simple, compact, small volume and light weight.
  • Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.
  • High quality material selection, carefully processing create high quality product.
  • Made of brass, long time service.
  • See more on Amazon...

Brand: CNBTR    |   Manufacturer: yqltd

Package Dimensions: 0.31 x 3.07 x 4.57 inches (0.8 x 7.8 x 11.6 cm)

Amazon Price: $9.11 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.11 | Used Price: $7.28

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  #15

uxcell Plastic Gear DIY Reduction Worm Gears Model 34102B for RC Car Robot Motor 10pcs

Model: a18041000ux0309   |    Mpn: a18041000ux0309   |    PartNumber: a18041000ux0309   |   Asin: B07DH7MF58

1. The first two digits encoding: the number teeth of externally toothed gear. 2. The encoding three or four numbers: the number of internal gear teeth. 3. coding fifth digits: the pore size of the gears. 4. Last encoded in English: A: tight B: loose . 2A indicates that the central axis is 1.95mm; it is tightly fitted with the optical axis of 2mm and rotates together with the optical axis. 2B indicates that the central axis is 2.05 mm; with the optical axis of 2 mm, it is loosely fitted and is free to rotate on the optical axis. For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle. Gear diameter: (44+2)X 0.5(MM)=23MM Gear outer diameter is 23MM

Features

  • 100% Brand new and high quality.
  • Plastic Crown Gear ideal for DIY science and small production, product design and mechanical model.
  • For example: Size of 44102B: 44 external teeth, 10 internal teeth, 2MM aperture, loose axle.
  • For example: Diameter of 44102B: (44+2) X 0.5(MM)=23MM, Gear outer diameter is 23MM
  • Our store have the most complete gears, which can meet your DIY needs.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 0.1 x 4 x 6 inches (0.3 x 10.2 x 15.2 cm)

Amazon Price: $5.19 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $5.19

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  #16

Ochoos 10pcs/Lot 303A Plastic Gears 0.5M 30 Teeth for 3mm Shaft Tight Fitting Gear Wheels

 Ean: 0735760897965   |    PartNumber: OCH-D41D8CD98F00B204E9800998ECF8427E   |   Asin: B07MWC2LDR

30/3A 0.5M: 30 teeth. 3A (2.95mm hole diameter) for 3mm shaft tight fitting. Unit Type d D1 D2 D3 H1 H2 H3 mm 303A 2.95 16 5 4 1.5 2.2 0.4 Note: This product will ship by Economic Air Mail , this one is very cheap but have no full tracking information. If you accept it, please do not random open dispute. Please choose China Post Air Mail if you want a full tracking info. We can Accept West Union, Money Booker, VISA, QIWI, WebMoney, Bank Transfer, etc. Shipping: How Long You Will Receive Your Order as Usual? Post Service & Delivery Time (Not Included Order Preparation Time) China Post Registered Air Mail Albania/ Argentina/ Aruba/ Azerbaijan/ Bangladesh/ Bahrain/ Brunei Darussalam/ Czech Republic/ Dominican Republic/ Finland / Fiji / Georgia / Indonesia/ India/ Iran (Islamic Republic of)/ Jordan/ Cambodia/ Mauritius/ Maldives / Netherlands/ Oman/ Peru / Pakistan / Puerto Rico / Portugal/ Paraguay / Slovakia (Slovak Republic)/ Serbia/ Ukraine / Vietnam / France / United Kingdom / United States/ New Zealand/ Belgium / Switzerland/ Denmark/ Ireland / Israel / Norway / Sweden / Turkey/ Austria / Malaysia / Singapore/ Thailand / South Korea / Japan About 10-39 days United Arab Emirates/ Cyprus/ Kazakhstan/ Philippines/ Saudi Arabia/ Bulgaria / Belarus / Germany / Estonia /Spain / Greece/ Hungary / Italy/ Lithuania /Latvia / Poland/ Romania/ Russian Federation / Slovenia/ Australia/ Chile/ Colombia/ Canada / Mexico/ Cameroon/ Egypt / Nigeria /South Africa / and Other Most of Countries About 15-60 days Brazil / and The Countries with War, Political Turmoil, Traffic not Convenient About 25-120 days Business Express EMS/ DHL / UPS / Fedex / TNT About 5-15 days (Some Unexpected situations and special period 8-23 days)

Features

  • Material: Plastic
  • Tooth profile: Bevel Gear
  • Shape: Ring Gear
  • Model number: 303A
  • Processing: Die Casting
  • See more on Amazon...

Brand: Ochoos   |   Manufacturer: Ochoos

Amazon Price: $11.69 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 6-10 business days
List Price: $11.69

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  #17

Boston Gear H1418RH Worm Gear, 14.5 Degree Pressure Angle, 0.750" Bore, 10 Pitch, 1.25 PD, RH

Model: H1418RH   |    Mpn: H1418RH   |    Ean: 0781711129869   |    PartNumber: H1418RH   |   Asin: B004N635DQ

WORM, 10 DP, 14.5 PA, 1.25 PD, RH, STEEL/HARDENED

Features

Brand: Boston Gear   |   Manufacturer: Boston Gear

Package Dimensions: 2.1 x 2.2 x 2.6 inches (5.3 x 5.6 x 6.6 cm)

Amazon Price: $127.25 | as of 10/16/2019(1:16pm pst)
Availibility: Usually ships in 6-10 business days
List Price: $85.80

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  #18

Boston Gear G1060ARH Worm Gear, Plain, 14.5 PA Pressure Angle, 0.500" Bore, 20:1 Ratio, 20 TEETH, RH

Model: G1060ARH   |    Mpn: G1060ARH   |    Ean: 0781711131367   |    PartNumber: G1060ARH   |   Asin: B004N84YPM

WORM GEAR, 10 DP, 14.5 PA, 20 TEETH, RH, CAST IRON

Features

Brand: Boston Gear   |   Manufacturer: Boston Gear

Package Dimensions: 1.9 x 2.1 x 2.5 inches (4.8 x 5.3 x 6.4 cm)

Amazon Price: $52.60 | as of 10/16/2019(1:16pm pst)
Availibility: Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your credit card will not be charged until we ship the item.
List Price: $52.60

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