Busch® Fig. 77 Twist Drills are made of tungsten vanadium steel for strength and durability. Features precision machined, uniformly spaced flutes for accurate and smooth cutting. Use with a lubricant such as Gesswein Lube-Stik (see related products) to facilitate cutting and prolong tool life.
The 3/32" shanks measure approximately 1.75" long. Maximum operating speed varies with drill size. Recommended speed range is 1,400 - 10,000 rpm. Please consult with ANSI (American National Standards Institute) for speed recommendations. Made in Germany.