Simpson SDS-Max Bushing Tool 1-3/4 in. x 9-1/2 in. One-Pc Steel Concrete Asphalt Surface Roughening Reciprocating Why does this coupler nut

Why does this coupler nut have oversized threads on one end

Drilling Depth: 6 3/4 in

125 is a pair of 40mm profile knives profile knives for the CMT Insert Shaper System

5 designed to fit

providing a cleaner looking installation for joist connections compared to standard exposed-flange hangers

Simpson SDS-Max Bushing Tool 1-3/4 in. x 9-1/2 in. One-Pc Steel Concrete Asphalt Surface Roughening Reciprocating Why does this coupler nutThe Simpson CHMXBT17509 1 3 4 in. x 9 1 2 in. SDS max Shank Bushing Tool is a premium one piece toughened steel demolition tool from Simpson Strong Tie, engineered for concrete and asphalt surface roughening. Built with a specialized tempering process that creates a hardened, wear resistant surface, this bushing tool delivers extended tool life and consistent performance across demanding demolition and surface preparation tasks. Key Features For