McMaster 92391A155 18-8 SS Hairpin Cotter Pin for 5/8"- 7/8" Pin Diameter, 1/8" Wire Diameter, 5/8" Eye Diameter

McMaster 92391A155 18-8 Stainless Steel Hairpin Cotter Pin for 5/8"- 7/8" Pin Diameter, 1/8" Wire Diameter, 5/8" Eye Diameter

Secure components more quickly than standard cotter pins. One prong is already bent, so just push into a hole for installation in one step. Although hairpins are reusable, they don’t withstand vibration as well as standard and hammer-set cotter pins. Also known as hitch pin clips and R-clips.

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 and vibration as well as steel.