Get proper grip over workpiece
Filing flat surfaces is made easier
Permit clearance between file face and the workpiece
Ensure more pressure on workpiece while filing
0.80 mm
1.00 mm
1.40 mm
1.80 mm
Slipping of chisel
Digging on the surface
Cutting edge will break
Heavy metal removal from the surface
Sledge hammer
Ball pein hammer
Cross pein hammer
Straight pein hammer
m/ rev
mm/ rev
m/ min
mm/ min
