6" Cobalt by Drill Bits World

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Stuby
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6" Cobalt Aircraft Drill Bits

Cobalt
Manufactured to NAS 907 Type J specifications, 135 degree split point, surface treated with jobber flute lengths for drilling holes in hard to reach places. Heavy duty construction for portable or machine drilling in high tensile strength alloy steels, stainless steels, titanium, and other difficult to machine materials. Packaging: 1/16 thru 19/64 and #1 thru #40 - 6 per pack. 5/16 thru 1/2 - 3 per pack.

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Fractional Sizes

Fractional Sizes

Wire Gauge Sizes

Wire Gauge Sizes