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Button Bit Grinder 
Origine: China
Packaging: plastic box
Delivery Time: 5-7days
Sample Order: Yes
OEM Service: Yes
Model: SA220

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.

ModelSanroc Grind  SA220效果图.jpg
Spindle Speed20,000 RPM
Power Output1.5 KW
Working Air  Pressure6-7bar (87-101psi)
Air  Consumption2.0m³/min(71ft3/min)
Max. Water  Pressure16mm
Water Hose  Inner Dia.4bar (58psi)
Air Hose Inner  Dia.8mm
Sound Level80-90dB
Button Size  for GrindingDia. 7-25mm
Vibration  Level<2.5 m/s2
Net Weight4KG

button bit grinder, chucks, cups.jpg

bit buttons grinding result.jpg