Climax Metal C-075-S Shaft Collar, One Piece, Set Screw Style, Stainless Steel, 3/4" Bore, 1-1/4" OD, 9/16" Width, With 5/16-18 Set Screw Setscrew shaft collar for applications supporting low axial loads and simple positioning Effective on shafts made of softer material than the setscrew material Stainless steel 303 for greater corrosion resistance than steel or aluminum Includes a socket setscrew for securing the collar onto the shaft Operating temperatures range from -40 to 426 degrees C (-40 to 800 degrees F)