Three Eighths Inch Diameter Roll Pin Set Of Fifty, Three Quarter Inch Long, Heat Treated Spring Pin With Black Finish, Built Tough Durable Steel Tension Pin For Rotating Shafts, Minimal Play And Secure Fit

3/8 in Black Heat-Treated Roll Pin Set of 50
✔️ 3/8 dia x 3/4 in long, heat-treated steel, black finish, 50 pins

This roll pin set is a compact solution for locking into rotating shafts where minimal play matters. The heat-treated spring steel delivers dependable tension and durability, and the black oxide finish boosts wear resistance in automotive, marine, and industrial applications.

Dimension	Inches	Millimeters
Diameter	3/8"	9.53 mm
Length	3/4"	19.05 mm

✅ Diameter 3/8" (9.53 mm)
✅ Length 3/4" (19.05 mm)
✅ Material: Spring steel, heat-treated
✅ Finish: Black oxide for durability
✅ Pack size: 50 pcs

💡 What is a roll pin used for in securing rotating shafts with minimal play? This handy fastener is used across many mechanical setups to lock components without adding looseness. - Locks parts on shafts with constant spring tension - Resists side-load and vibration to keep alignment - Fits standard 3/8 in diameter shafts - Easy to install and service in field maintenance