Climax Metal C-031-BO Shaft Collar, One Piece, Set Screw Style, Black Oxide Plating, Steel,, Steel, 5/16" Bore Size, 5/8" OD, With 10-32 x 1/8 Set Screw - Walmart.com
Climax Metal Products - 5-7/16" Bore, Steel, Set Screw Shaft Collar - 35464890 - MSC Industrial Supply
Metric Set Screw Collars MC-Series On Climax Metal Products Company