Metric 9mm M35 Cobalt Steel Drill Bit Set of 5pcs with Straight Shank to Cut …

Metric 9mm M35 Cobalt Steel Drill Bit Set of 5pcs with Straight Shank to Cut ...

$23.64 Buy It Now or Best Offer
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Seller Store yukiesait_89
(10) 100.0%,

Location: Monroe, Louisiana
Ships to: US,
Item: 126756761385

Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
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EAN:0666389203533
ISBN:0666389203533
Package Dimensions LxWxH:6.26×2.52×0.59 Inches
Weight:0.6 Pounds
Type:Does not apply
HYMNORQ:HYMNORQ

M35 Cobalt Steel Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 . The cobalt increases the strength of the steel and makes it more heat-resistant. 135 Degree Split Point The flater the drill, the smaller the chip width. This means less force required to remove metal, compared with lower angles like 90° and 118°. This is important on hard stuff, because your power requirements are already more than mild steel, so making the chip load less helps. It also reduces heat since less surface area is generating the cut. Lowest Cost Per Hole Drilled Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. With an extended tool life, Migiwata cobalt drill bits will give you the lowest cost per hole drilled. For Drilling Stainless Steel This set of Migiwata M35 cobalt steel drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Tests shows that the M35 cobalt steel drill bits can penetrate a 5mm-thick 304 stainless steel plate in 5 seconds. Not Suitable for Hardened Steel M35 cobalt drill bits are NOT suitable for hardened steel, high carbon steel and heat-treated steel by the experiences of some customers, although some others said they worked well with hardened steel. Cooling Liquid Required Please use with cooling liquid to prolong the working life of the drill bits and to avoid overheating and breakage. BUY WITH CONFIDENCE: If you’re not completely satisfied with the product quality, please us. or free . COBALT STEEL – Manufactured from M35 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. 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 METRIC BITS – The set includes 5pcs of 9mm M35 cobalt steel twist drill bits. Well packed in a plastic case for convinient storage. 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.

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