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
Minor dia = Major dia - (2 x pitch)
Minor dia = Major dia + (2 x pitch)
Minor dia = Major dia + (2 x depth)
Minor dia = Major dia - (2 x depth)
White wash
Prussian blue
Copper sulphate
Cellulose lacquer
