Depending on your needs the grinders listed on the left are available in both pneumatic and semi-hydraulic configuration. The pneumatic system is what set the standard for button bit grinding and still proves to be a very effective tool for maximizing bit performance in all drilling conditions.
High Rotation Speed Hand-Held Button Bit Grinder
Rotation speed:20000RPM
Motor power: 1.5 KW
Work pressure: 5-7 bar (100 psi)
Air consumption: 2.0 m3 / min (50ft3/min)
Max. water pressure: 4 bar (60 psi)
Air hose diameter: 19 mm
Water hose diameter: 6mm
Weight excl. packaging: 3.0 Kg
Weight incl. packaging: 3.4 Kg
Sound level: 92 dB(A)
Pneumatic robot arm button bits grinder AGM18
Rotation speed:20000 rpm
Motor power: 1.5 KW
Work air pressure: 5-7 bar (100 psi)
Air consumption: 2.2 m3 / min (80ft3/min)
Max. water pressure: 4 bar (60 psi)
Air hose diameter: 19 mm
Water hose diameter: 6 mm
Weight excl. packaging:330.0 Kg
Weight incl. packaging: 350.0 Kg
Transport dimensions: 1600*700*1500cm
Sound level: 92 dB(A), 
Pneumatic Semi-automatic button bits grinder BTON500
Rotation speed:20000 rpm
Motor Power: 1.5 KW
Work air pressure: 5-7 bar (100 psi)
Air consumption: 2.2 m3 / min (80ft3/min)
Max. water pressure: 4 bar (60 psi)
Air hose diameter: 19 mm
Water hose diameter: 6 mm
Weight excl. packaging:120.0 Kg
Weight incl. packaging: 130.0 Kg
Transport dimensions:500*500*1400mm
Sound level: 92 dB(A),
