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Foredom A-8366 Twist Drill, Cobalt #66, 10-Pk

Original price was: $7.38.Current price is: $4.58.

Sale!

52 in stock

SKU: kpi071-A-8366 Category:

Foredom – A-8366 Use Product Options Menu above to select Drill Size:

50 (A-8350), 51 (A-8351), 52 (A-8352), 53 (A-8353), 54 (A-8354), 55 (A-8355), 56 (A-8356), 57 (A-8357), 58 (A-8358), 59 (A-8359), 61 (A-8361), 62 (A-8362), 63 (A-8363), 64 (A-8364), 65 (A-8365), 66 (A-8366), 67 (A-8367), 68 (A-8368), 69 (A-8369), 70 (A-8370), 71 (A-8371), 72 (A-8372), 73 (A-8373), 74 (A-8374), 75 (A-8375), 76 (A-8376), 77 (A-8377), 78 (A-8378), 79 (A-8379), 80 (A-8380).

For use in small pin vise and other hand tools that hold wire gauges or in rotary handpiece with A-MC2 and A-M50 micro chucks. Order by wire gauge.
20,000 RPM Maximum Speed

Cobalt steel are high-speed steel that contains more cobalt. They hold their hardness at much higher temperatures and can be used to drill stainless steel and other hard materials. Because they are very hard, they can be slightly brittle so it makes sense to offer them in packs of ten.

Additional Information

Weight0.1 lbs