Wire brushes & Carbide burrs / 413 WIRE BRUSHES & CARBIDE BURRS www.nortonabrasives.com MATERIAL TYPE PRODUCT DIAMETER 3mm 6mm 10mm 12mm 16mm Steel 60000 - 90000 45000 - 60000 30000 - 40000 22500 - 30000 18000 - 24000 Tempered steel 60000 - 90000 30000 - 45000 19000 - 30000 15000 - 22500 12000 - 18000 Stainless steel 60000 - 90000 30000 - 45000 19000 - 30000 15000 - 22500 12000 - 18000 Casting 45000 - 90000 22500 - 60000 15000 - 40000 11000 - 30000 9000 - 24000 Titanium 60000 - 90000 30000 - 45000 19000 - 30000 15000 - 22500 12000 - 18000 Nickel 60000 - 90000 30000 - 45000 19000 - 30000 15000 - 22500 12000 - 18000 Copper & copper alloys 45000 - 90000 22500 - 60000 15000 - 40000 11000 - 30000 9000 - 24000 Aluminium 30000 - 90000 15000 - 70000 10000 - 50000 7000 - 38000 6000 - 30000 Plastics 30000 - 90000 15000 - 70000 10000 - 50000 7000 - 38000 6000 - 30000 Carbon or glass fibres 64000 - 117000 32000 - 59000 19000 - 35000 16000 - 30000 12000 - 22000 Recommended speeds are for standard shank length of 45mm, maximum overhang 10mm. Maximum recommended speed for extra-long burrs is 15000 RPM. • It may be necessary to adjust the rates shown to achieve optimum performance • Running below the optimum speed will encourage chipping • Harder materials or sticky metals such as, titanium, require slower speeds • Running above optimum speed will cause tooth wear • Smaller burrs require faster speeds • Allowing the tool to become too hot may cause the braze to melt and detach the head of the shank • Apply constant movement and light pressure when in use • Do not sink the burr for more than one third of its periphery RECOMENDATIONS FOR USE RECOMMENDED OPERATING SPEEDS (RPM)
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