Climax Metal H1C-031-S Shaft Collar, One Piece, Clamp Style, Stainless Steel, 5/16" Bore, 13/16" OD, 1/4" Width : Amazon.co.uk: Business, Industry & Science
1"7/16 Shaft Collar Steel Self Colour - Orbital Fasteners
Climax Metal NC-087 Shaft Collar, Set Screw Style, One Piece, Nylon, 7/8" Bore, 1-3/8" OD, 9/16" Width, With 5/16-18 x 5/16 Set Screw : Amazon.co.uk: Business, Industry & Science
RS PRO Shaft Collar One Piece Set Screw, Bore 6mm, OD 12mm, W 8mm, Stainless Steel | RS