McMaster 90026A105 18-8 Stainless Steel Long-Life Wire-Snap Cotter Pin, 3/32" Wire Diameter, 2" Usable Length 55VD50 and the drillpipe

and the drillpipe

With Belt Slot

5 5/8" Shaft Diameter

Milled Work Surfaces and Base Spindle Material1 Copper Self-Centering Yes Clamping Capacity 4 1/8 in Jaw Material Cast Iron Miter Capacity 4 3/8 in Clamping Angle - Maximum 90 Degrees Application Metalworking

McMaster 90026A105 18-8 Stainless Steel Long-Life Wire-Snap Cotter Pin, 3/32" Wire Diameter, 2" Usable Length 55VD50 and the drillpipeDisassemble components frequently without losing tension in the pin. The coil preserves holding strength, so you can reuse these pins over and over. They also offer more security than hairpins and standard wire snap pins. Also known as safety pins, pinch firmly to open and close. 18 8 Stainless Steel The choice for wet and outdoor environments, these pins resist rusting. They are strong enough to join most components but won't withstand extreme stress