Three Sixteenth Inch Diameter Roll Pin Spring Pin Tension Pin One Pin With Black Finish Heat Treated Spring Steel Durable Secure Fit And Heavy Duty Use Nine Sixteenth Inch Long

3/16 in Roll Pin, heat-treated, single pin
✔️ 3/16 in diameter, 9/16 in length, black finish steel

This item is a spring roll pin with a 3/16 inch diameter and 9/16 inch length. It’s heat-treated spring steel with a black oxide finish, designed to secure components in place through a simple, reliable fit. Typically used in machinery, automotive assemblies, and equipment where quick, sturdy fastening is needed.

✅ Diameter: 3/16 in
✅ Length: 9/16 in
✅ Material: heat-treated spring steel
✅ Finish: black oxide
✅ Pack: 1 pin

💡 What is a spring pin used for in mechanical assemblies?

Spring pins are handy fasteners that secure parts without threads. They’re great for quick assembly and disassembly when you want repeatable alignment and strong retention.

- ideal for locking gears, pulleys, and housings in machinery - useful in automotive and industrial equipment for fast, maintenance-friendly assembly - heat-treated steel pins resist wear and shock to maintain fit