Page 1289 - Master Catalog 2017, Inch

Shank Styles

A Shank
1/8" solid carbide shank

B Shank
1/8" hardened steel shank

C Shank
1/4" hardened steel shank

D Shank
1/8" solid carbide shank

Bur Cutting Speeds

Bur Diameter Inch Recommended Cutting Speed (RPM) Maximum Cutting Speed (RPM)
1/16 60,000–90,000 100,000
1/8 40,000–70,000 90,000
3/16 35,000–60,000 80,000
1/4 30,000–50,000 70,000
5/16 20,000–40,000 68,000
3/8 20,000–40,000 66,000
7/16 15,000–40,000 58,000
1/2 15,000–40,000 50,000
5/8 12,000–25,000 40,000
3/4 10,000–20,000 33,000
1 7,500–20,000 25,000
1-1/8 7,000–13,000 20,000
1-1/2 5,000–10,000 17,000
1-3/4 4,500–9,000 14,000
2 4,000–8,000 12,500

widia.com P5

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