Hex 15 Integral Drill Steel（Plug Hole Rods)

Hollow Hexagonal Drill Steel

Integral Drill Steel

T45 Full Bridge Coupling Sleeve

R32-T38-Coupling-190mm Full-Bridge Coupling Sleeve

Coupler d 55мм

Coupling sleeve T 38 , T 45 , T51

T45-T38-Coupling Crossover

Bit Adapter Coupling

R38-R38-170MM Coupling Sleeve with full bridge type

Shank Rod-L400-R25

Shank adapter/Shank rod H22-R25