17/64" (0.2656), Cobalt, 135 degree split point, jobbers length. Overall length 4-1/8". Pack of 6 each.
COBALT DRILL BITS (FRACTIONAL SIZES)
Specifications: 135° split-point angle prevents walking (A) . Jobbers Length . Excellent for drilling Stainless Steel, Titanium, Inconel, as well as Aircraft Grade Aluminum . Made to NAS907 Type J standards
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Boelube® is a lubricant formulated and patented by Boeing Aerospace. Use it on drill bits, reamers, saw blades and any other application where smooth cutting is required. A small amount will greatly improve tool life. 1.6oz pushup stick.