Roll Pin Set 550 Pcs Assortment Kit With Slotted Tension Pins Split Dowels Expansion Pins In 13 Sizes M1.5 M2 M2.5 M3 M4 M5 M6 Pro Grade Steel With Black Oxide Finish For Rust Resistance And Secure Fastening In Automotive Machinery DIY Projects

Roll Pin Kit: 550-Piece Assortment for Secure Fastening
✔️ 550 spring pins in 31 sizes, steel with black oxide finish

This all-in-one roll pin assortment is built for professionals and DIYers who need reliable fasteners for automotive, machinery, and home projects. It combines hollow, slotted, and expansion pins in a single, organized box for easy selection and precise installation.

✅ 550 pins across 31 metric sizes (M1.5-M6 range)
✅ Black oxide-coated steel for rust resistance and long life
✅ Chamfered ends aid alignment and secure seating
✅ Neatly labeled storage box for quick size identification

💡 What is a roll pin set used for in mechanical assemblies? This handy kit helps secure components and align parts in engines, machinery, and DIY projects. - handy for locating pins, aligning shafts, and securing components - works with hollow, slotted, and expansion pins - includes rust-resistant steel with black oxide finish - ideal companion to roll pin punches for clean, professional installs