Replaceable cutting bit holder assembly
Retainer device for auger, roof and the like type bits
Retainer for holding mineral cutter in a tool-box
Retaining means for the connecting pin which joins a bit holder
Ripper tooth
Rock milling cutter tongue and slot connected
Rotary cutter for gouging out ore from mine faces or the like
Rotary retainer for mining bits
Rotary rocksaw device
Rotatable cutting bit
Round cutting tool for cutters
Round shaft bit