Sell Mining Ball Teethes

Fitted precision lathe in nonstop cutting of cast iron, colored metal,

and its alloy and nonmetal materials; semi- precision lathe, precision

lathe, small-section precision lathe in interrupted cutting, whirling

of rough turn, vortex lathe, also fitted for semi-precision milling and precision

lathes with continuous surfaces; and sometimes applied to rough expanding of

holes, dry lubricating and plucking of steel, colored metal and its allied wires.

Also used in geological prospecting, machine and tool manufacturing,

and serves as the drill bit in wind-drill and electric drills for coal digging.