Heavy Duty Key Locking Thread Insert Built Rock Solid Precision Metric M10 x 1.5 Internal And M16 x 1.5 External Threads Crafted From 303 Stainless Steel For No Sweat Quick Installation In Aluminum Or Cold Rolled Steel Work Projects

Precision Metric Key Locking Thread Inserts For Metal
✔️ M10x1.5 bore M16x1.5 grip 303 stainless body 16mm total

This pack contains a single heavy duty locking thread insert engineered for secure fastening in soft metals like aluminum and cold rolled steel. It works as a reliable repair solution for stripped threads in machinery parts, automotive mounts, and DIY fabrication projects that require durable metal-to-metal connections.

✅ M10 x 1.5 internal thread with 6H class rating
✅ M16 x 1.5 external thread matching 6G tolerance
✅ Passivated 303 stainless body plus 302 steel locking keys
✅ Measures exactly 16 mm in overall body length
✅ Install with 14.75 mm drill tap and 18.50 mm depth guidance

💡 What makes locking thread inserts handy for restoring damaged aluminum frames?
It provides a solid mechanical lock that handles heavy vibration without slipping.
- The embedded 302 stainless keys bite right into the surrounding alloy so fasteners stay put when engines shake
- Ditching stripped bosses with this method saves shop time compared to welding patches or drilling new holes
- Keeping OEM hole sizes intact means your stock bolts go right back in when mounts get fried
- Fixing worn spots this way keeps your gear running tight without spending cash on custom brackets