Climax Metal, H1C-193-S, H1C-Series 1-15/16" One Piece Recessed Screw Collar, Stainless Steel Features: Stainless Steel One-Piece Clamping Collar - Recessed Screw Head4.1 stars, based on 46 reviews
Design fully engages the shaft without marring
Effective on hard amp soft shafts.
Greater axial holding power than set screw collars
Recessed Screw Head provides an outside surface free of major projections for safety