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Busch® Bur Sets - Twist Drill Fig. 77

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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.

Specifications
Item #122-7030 (Fig 77)
Set of 12, 006 - 023, Popular Sizes
cup set Set of 12 Twist burs
Bur Size: 006 007 008 009 010 012 014 015 016 018 021 023
Working Diameter: (mm) 0.60 0.70 0.80 0.90 1.00 1.20 1.40 1.50 1.60 1.80 2.10 2.30
Working Length: (mm) 10.00 10.00 10.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00
Item #122-7035 (Fig 77)
Set of 12, 005-016
Twist set Set of 12 Twist burs
Bur Size: 005 006 007 008 009 010 011 012 013 014 015 016
Working Diameter: (mm) 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60
Working Length: (mm) 10.00 10.00 10.00 10.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00
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