Hymnorq 21/64 Inch Dia. x 4.6 Inch Long M35 Cobalt Steel Twist Jobber Drill Bits 5Pcs Pack, 135 Degree Split Point, Extremely Heat Resistant, for Stainless Steel and Cast Iron
Asin: B07NR1JYFW | Ean: 0733424629006 | UPC: 733424629006
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.5Pc 21/64" Fractional Inch Bits - The Set Includes 5Pcs Of M35 Cobalt Steel Twist Drill Bits, Well Orgnized In A Tough Pvc Case For Easy Storage. Total Length: 4.6"; Working Length: 3.3". Manufactured To German Din338 Standard..
Downloadable User Guide - We've Summed Up Some Tips Of Drilling Metals, Including A Rpm Chart For Several Common Metals, Based On Our Reviews And Some Articles On The Internet. In Most Cases, Our Customers Would Get A Much Better Result With These Tips. Welcome To Download..
For Metalworking - Particularly Successful In Cutting Through Hard Metals(Hardness Less Than Hrc38°) Such As Stainless Steel And Cast Iron, Although They Can Be Used For Softer Materials Like Copper And Aluminium, Too. Not For Hardened Steel / High Carbon Steel. Try To Adjust The Rpm When It Fails To Penetrate..
Self Centering - The 135°Quick-Cut Pilot Split Points Are Self-Centering And Can Penetrate Quickly With Less Pressure. The Bits Will Not "Walk" Or "Wander". Straight Shank Allows For Firmly Holding And Accurate Centering, Fit For Standard Drill Chucks And Regular Round Collet Chucks..
Features
- COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to create a hardened heat-resistant alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times compared with an average HSS drill bit.
- SELF CENTERING - The 135 quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. The bits will not walk or wander. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
- 5PC 21/64 FRACTIONAL INCH BITS - The set includes 5pcs of M35 cobalt steel twist drill bits, well orgnized in a tough PVC case for easy storage. Total length: 4.6; working length: 3.3. Manufactured to German DIN338 standard.
- FOR METALWORKING - Particularly successful in cutting through hard metals(hardness less than HRC38 ) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
- DOWNLOADABLE USER GUIDE - We've summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.
- See more on Amazon...
Brand: HYMNORQ | Manufacturer: Hymnorq
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