Button Bit Grinder

Sanroc Grind SA220 button bit grinder is a high power, pneumatic tool for button bit(like thread button bit, DTH hammer bit) recondition, which is designed for hand held use. It's grinding system features an efficient throttle and support handle, which give the operator an unprecedented level power and control, making Sanroc Grind SA220 the premier tool for even the most demanding job.

Through changing the quick chuck, the operator can use different types of grinding cup(also called grinding pin) on Sanroc Grind SA220, like the cups with WING drive(8mm shank), and from Sandvik's san-drive grinding cup with 9mm shank, and Allas Copco's 55-drive grinding cup, also the cup from CME with hex-drive.

Model	Sanroc Grind   SA220
Spindle Speed	20,000 RPM
Power Output	1.5 KW
Working Air   Pressure	6-7bar (87-101psi)
Air   Consumption	2.0m³/min(71ft3/min)
Max. Water   Pressure	16mm
Water Hose   Inner Dia.	4bar (58psi)
Air Hose Inner   Dia.	8mm
Sound Level	80-90dB
Button Size   for Grinding	Dia. 7-25mm
Vibration   Level	<2.5 m/s2
Net Weight	4KG