Carbide Burs
Shapes & SCTI Identification
Series SA Cylindrical
Series SC Cylindrical Ball End
Series SF Round Nose Tree
Series SG Pointed Tree
Series SM Pointed Cone
Series SE Egg Shape
Series SL 14 Degree Included Angle
Series SD Ball Shape
Series SK 90 Degree Included Angle
Series SJ 60 Degree Included Angle
Series SN Inverted Taper
Series SH Flame Shape
Styles of Cut
Recommended Cutting Speeds for Carbide Burs
Medium Tough Cut Engineered specifically for tough applications. Tough cut insures faster, splinter-free cutting in weld and alloy castings with increased tool life.
Diameter
RPM
Max RPM
1/16” 3/32”
55,000 - 85,000 50,000 - 60,000 35,000 - 65,000 30,000 - 55,000 25,000 - 50,000 18,000 - 38,000 17,000 - 38,000 13,000 - 37,000 14,000 - 36,000 11,000 - 23,000 8,000 - 19,000 7,000 - 18,000
90,000 85,000 80,000 75,000 70,000 65,000 63,000 55,000 50,000 40,000 30,000
1/8”
3/16”
1/4”
5/16”
3/8”
Medium Right Hand Spiral General purpose - Recommended for stock removal and a smooth finish.
7/16”
1/2” 5/8” 3/4”
1” 25,000 Note: Use lower speeds when cutting harder ferrous materials and higher speeds for softer non-ferrous materials.
Aluminum Cut Designed for use on aluminum, non-ferrous metals, soft steel, reinforced plastics, and other soft materials.
Coarse and Fine Cuts are available on request.
osgtool.com
1518
End Mill Technical
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