Heavy Duty 18 8 Stainless Steel Helical Inserts Five Eighths Inch 18 Thread Get Your Stripped Threads Tight Again With Rock Solid Grip And Never Handles Rust For Aluminum Soft Metals Shop Grade Pack Of One Hundred
Stainless steel helical thread repair inserts pack of 100
✔️ 5/8-18 thread size 1.5D length 0.938 inch diameter 18-8 stainless steel
These heavy duty helical inserts are built to fix stripped threads in aluminum die castings, plastic housings, and soft alloys. You drop them into a pre-tapped hole and get a rock solid internal thread that handles daily shop wear without giving out. This pack of 100 units gives your crew plenty of backup so work never stalls waiting for hardware runs.
✅ 18-8 stainless steel wire forms a diamond pattern under pressure✅ Rated for continuous exposure up to 800 degrees Fahrenheit
✅ Spring back design locks firmly once the tool pulls the installer
✅ Sealed ball bearing style tension holds even through vibration cycles
✅ Pack of 100 units covers multiple engine bay and frame rail jobs
💡 Why choose helical thread inserts over welding or tapping a new oversized hole?
Heat treated 18-8 material stops rust and keeps clamping force steady when ambient moisture hits hard.
- Diamond knurling bites straight into aluminum blocks and provides a load path that matches factory torque specs.
- Spring tension design locks permanently inside the bore while still letting you drill and rethread later.
- Straightforward hand tool setup gets you back on the job fast without needing fancy hydraulic presses.