Enterprise patent
Single-edge milling cutter
Multi-edge milling cutter
A kind of drill bit and drill bit assembly
Three-edged woodworking step drill
Three-edged woodworking through-hole row drilling
Three-edged woodworking blind hole row drilling
A three-edged woodworking through-hole drill
A kind of three-edged woodworking blind hole row drill
An unequal carbide milling cutter
A guided drill
A type of drill
A paneled hinge drill
