Four Pack One Eighth Inch Diameter Roll Pins Set, One And A Half Inch Long Spring Pins, Heat Treated Black Finish, Lockin Tight Fit With Minimal Slop For Rotating Shafts, Tension Pin Design, Durable Spring Steel Hardware

Four-Pack 1/8in Roll Pins, 1.5in Length, Heat Treated
✔️ Diameter 1/8 in (3.175 mm), Length 1-1/2 in (38.1 mm), 4 pcs

These heat-treated roll pins in a four-pack are designed to secure rotating shafts with minimal play. The spring steel design provides constant pressure for a tight lock-in fit, making them ideal for automotive, marine, home, and industrial applications where reliable shaft retention matters.

✅ Diameter 1/8 in (3.175 mm), length 1-1/2 in (38.1 mm) tight clearance
✅ Heat-treated spring steel with a durable black finish
✅ Minimal play and secure lock-in fit on rotating shafts
✅ Withstand side-loads in automotive, marine, and industrial use
✅ Pack of 4 for multiple assemblies

💡 What is a roll pin used for on rotating shafts and why is heat-treated steel a good choice?

Roll pins provide secure retention and long life in mechanical assemblies.

- Handy for securing shafts and keeping parts aligned
- Durable under load and wear resistant
- Easy to install with minimal tooling
- Works well with sealed bearing and tension-pin designs