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 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.

Includes: 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.10, 1.20 1.30, 1.40, 1.50, 1.60