Busch® Bur Sets - Round Fig.1

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Busch® Fig. 1 Round burs are used for enlarging and deburring holes, drilling and stone setting. Their shape and the broad range of sizes allows them to be used at any angle and in tight spaces.

Made of tungsten vanadium steel for strength and durability. Features precision machined, uniformly spaced teeth 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.  Please consult with ANSI (American National Standards Institute) for speed recommendations.

See the charts below to see the six sets and which burs are available in each set. Made in Germany.

Item #121-3110
Set of 12, 003 - 014
Round Set of 12 round burs
Bur Size: 003 004 005 006 007 008 009 010 011 012 013 014
Working Diameter: (mm) 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40
Item #121-3103
Set of 12, 010 - 031, Popular Sizes
Round fig 156c Set of 12 round burs
Bur Size: 010 012 014 015 016 018 021 023 025 027 029 031
Working Diameter: (mm) 1.00 1.20 1.40 1.50 1.60 1.80 2.10 2.30 2.50 2.70 2.90 3.10
Item #121-3115
Set of 12, 015 - 026
Round Set of 12 round burs
Bur Size: 015 016 017 018 019 020 021 022 023 024 025 026
Working Diameter: (mm) 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40 2.50 2.60
Item #121-3125
Set of 10, 027 - 042
Round Set of 10 round burs
Bur Size: 027 028 029 030 031 033 035 037 040 042
Working Diameter: (mm) 2.70 2.80 2.90 3.00 3.10 3.30 3.50 3.70 4.00 4.20
Item #121-3105
Set of 6, 033 - 045
Round Set of 6 round burs
Bur Size: 033 035 037 040 042 045
Working Diameter: (mm) 3.30 3.50 3.70 4.0 4.2 4.5
Item #121-3130
Set of 10, 045 - 085
Round Set of 10 round burs
Bur Size: 045 047 050 055 060 065 070 075 080 085
Working Diameter: (mm) 4.50 4.70 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50
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