5/16 Inch Roll Pin 3 Inch Long Set Of 8 Spring Pins Heat Treated Black Finish For A Tight Fit On Rotating Shafts And Reliable Tension Pin Performance In Machinery And DIY Projects

5/16 Inch Roll Pins, 3 Inch Long, 8-Pack Set
✔️ 5/16 in diameter, 3 in length, pack of 8, heat-treated steel

These 5/16 inch roll pins are spring steel pins designed to secure components on rotating shafts with minimal axial play. They’re heat-treated for strength and feature a black finish for durability. They’re ideal for automotive, marine, and industrial machinery as well as DIY projects.

✅ Diameter: 5/16 in (7.94 mm); Length: 3 in (76.2 mm); Pack: 8
✅ Material: Spring steel, heat-treated; Finish: Black
✅ Application: Secures components on rotating shafts with minimal play

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

Roll pins are handy fasteners that secure parts on shafts while allowing disassembly. - High shear strength from heat-treated spring steel - Keeps components aligned and resists loosening under side loads - Fits standard drilled holes and common shaft sizes including 5/16 in - Available in inch and metric lengths, like 3 in long packs of 8