Mining cutter bit assembly

Mining cutter bit holder and mounting assemblies

Mining drum with cutting and shearing bits on conical ring

Mining equipment

Mining machine bit and mounting thereof

Mining tool retainer

Mining unit of coal combines

Mounting block to rotate coal cutter bits

Mounting for receiving a mining pick bit

Mounting means for pick on mining drum vane

Multiple tip cutting bit for rotary drum-type cutter

Pick-type mining bit with support block having rotatable seat

Point-attack bit

Point-attack bit

Retainer and wear sleeve for rotating mining bits

Retainer for rotatable bits

Retainer scheme for machine bit

Rock cutting assembly

Rock cutting tool having eccentric drive

Rock saw