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Carbide Bur Usage Data

GENERAL BUR APPLICATIONS

Materials
Doublecut
Singlecut
Alumacut
Diamondcut
Chipbreak
Aluminum
Brass, Bronze, Copper
Fiberglass
Cast Iron
Plastics
Steel, 40-55rc
Steel, 55-60rc
Steel, carbon
Steel nickle, chrome
Steel stainless
Steel weldments
Titanium
Zinc


= Okay to Use



The following chart is a general and approximate recommendation. Variations to achieve desired

results may be necessary. Long shank burs should be used at reduced speeds.

GENERAL BUR SPEED RECOMMENDATIONS

Bur Diameter
RPM
1/8 or 3mm Solid Carbide
45,000-50,000
3/16 Solid Carbide
35,000-40,000
3/16 Carbide Head Brazed to 1/8 or 3mm Steel Shank
30,000-35,000
1/4 or 6mm Solid Carbide
30,000-35,000
Carbide Head Brazed to 1/8 or 3mm Steel Shank
25,000-30,000
5/16 Carbide Head Brazed to 1/4 or 6mm Steel Shank
25,000-30,000
3/8 Carbide Head Brazed to 1/4 or 6mm Steel Shank
25,000-30,000
7/16 Carbide Head Brazed to 1/4 or 6mm Steel Shank
20,000-25,000
1/2 Carbide Head Brazed to 1/4 or 6mm Steel Shank
20,000-25,000
5/8 Carbide Head Brazed to 1/4 or 6mm Steel Shank
15,000-20,000
3/4 Carbide Head Brazed to 1/4 or 6mm Steel Shank
15,000-20,000
1” Carbide Head Brazed to 1/4 or 6mm Steel Shank
12,000-18,000