Threaded Inserts For Metal Assortment Kit In Carbon Steel With 50 Pieces And Metric Internal Threads M3-0.5 M4-0.7 M5-0.8 M6-1.0 M8-1.25 For Repairing Damaged Threads And Reinforcing Tapped Holes In Metal
UPC: 00193019653128
✔️ 50-piece carbon steel inserts set, metric M3-M8, self-locking
These threaded inserts for metal form a repair and reinforcement kit designed to restore damaged threads and reinforce tapped holes in metal parts. It’s commonly used on soft metals like aluminum, magnesium, and cast iron, providing a durable, machine-threaded hole with standard tools.
✅ 50-piece set with five sizes: M3-0.5, M4-0.7, M5-0.8, M6-1.0, M8-1.25
✅ Self-locking inserts with pre-applied Loctite on external threads
✅ Made from AISI 12L14 carbon steel; rugged, precise manufacturing
✅ Uses standard drill and tap tools for quick repair and reinforcement
✅ Seals liquids and gases up to 6,000 psi after cure (72 h)
| Size | Internal Thread | External Thread | Length | Tap Drill | Tap Size | Min Full Depth | Qty Per Size |
|---|---|---|---|---|---|---|---|
| M3-0.5 | M3-0.5 | M6-1.0 | 6.5 mm (0.256") | 5.1 mm (0.201") | M6-1.0 | 7.8 mm (0.307") | 10 |
| M4-0.7 | M4-0.7 | M8-1.25 | 7.5 mm (0.295") | 6.9 mm (0.272") | M8-1.25 | 9.0 mm (0.354") | 10 |
| M5-0.8 | M5-0.8 | M8-1.25 | 7.5 mm (0.295") | 6.9 mm (0.272") | M8-1.25 | 9.0 mm (0.354") | 10 |
| M6-1.0 | M6-1.0 | M10-1.5 | 10.5 mm (0.413") | 8.6 mm (0.339") | M10-1.5 | 12.0 mm (0.472") | 10 |
| M8-1.25 | M8-1.25 | M12-1.75 | 12.5 mm (0.492") | 10.4 mm (0.409") | M12-1.75 | 14.5 mm (0.571") | 10 |
These externally threaded inserts are used to repair a hole with stripped threads, or to install a new threaded hole. The hole is prepared with a drill and tap, then the insert is pressed in and secured by an adhesive or locking elements.
💡 What is a threaded insert used for in repairing stripped threads and reinforcing tapped holes? What’s the practical use of threaded inserts in metal repair? - Restores damaged threads in aluminum, cast iron, magnesium - Lets you reuse tapped holes with standard drill and tap tools - Pre-applied locking Loctite helps seal and lock threads - Available in carbon steel or stainless steel for corrosion resistance