Description
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Hymnorq M35 Cobalt Steel Fractional 9/32 Inch Dia. x 4.25 Inch Long Twist Drill Bit Set of 5pcs, Jobber Length Round Shank, Self-Centering Split Point, Heat Resistant for Metalworking
$73.99
- COBALT STEEL – Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- 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 135quick-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 SET – The set includes 5pcs of 9/32″ diameter M35 grade cobalt steel twist drill bits, packed in a plastic case for easy storage and carrying. Total lenght: 4.25 inch; working length: 2.95 inch. 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.
In stock
Additional information
| Weight | 0.136 kg |
|---|---|
| brand | Hymnorq |
| dimensions | 12.19 x 5.33 x 1.27 cm; 136 Grams |