Shaft Collar; 2-5/8" Bore; 3-7/8" Outside Diameter; 7/8" Width; 3/8"-24 X 1" Screw; Carbon Steel; Black Oxide Finish; 1 Piece Split

Shaft Collar; 11/16" Bore; 1-1/4" Outside Diameter; 9/16" Width; 5/16"-18 X 1/4" Screw; Carbon Steel; 1 Piece Solid

Shaft Collar; 2-3/4" Bore; 4" Outside Diameter; 1-1/8" Width; 1/2"-13 X 1/2" Screw; Carbon Steel; 1 Piece Solid

Shaft Collar; 1-13/16" Bore; 2-7/8" Outside Diameter; 11/16" Width; 5/16"-24 X 1" Screw; Carbon Steel; Black Oxide Finish; 2 Piece Split

8 Threads per Inch; 9-1/16" Outside Diameter; 1.104" Nominal Thickness; 7.066-8 Thread Size; 6.985" Thread Pitch Diameter Min; 6.994" Thread Pitch Diameter Max; W-36 Lockwasher Part Number; UNS Thread