Description
Overview:
The Thread Repair Kit 4mm for Volkel is a compact set for restoring or reinforcing damaged M4 threads in metal components. It is designed for use on machinery found in construction, agriculture, and garden equipment, as well as general workshop repairs. The kit contains a dedicated helicoil tap, a matching drill, and 10 wire thread inserts, giving you the core tools needed to rebuild a worn or stripped M4 thread to accept standard M4 fasteners again. The tap and drill are made from hard-wearing high-speed steel for clean cutting and long service life, while the inserts are stainless steel for wear and corrosion resistance. Suitable for repairs in aluminium, cast iron, and steel parts such as engine covers, housings, brackets, and fixtures.
Key Features:
- Complete M4 kit: helicoil tap, drill, and 10 stainless-steel inserts
- Designed to restore standard M4 (0.7 mm pitch) threads for common fasteners
- High-speed steel drill and tap for precise, durable cutting performance
- Wire inserts provide strong, wear-resistant internal threads in softer alloys
- Helps prevent thread pull-out and improves service life of repaired fixings
- Suitable for through-holes and blind holes when used with correct technique
- Useful across aluminium, magnesium, cast iron, and steel components
- Practical for workshop or on-site maintenance; compact and easy to store
- Cost-effective alternative to replacing casings, covers, or housings
- Backed by Volkel's focus on accuracy and reliable thread tooling
Typical Applications:
Ideal for repairing stripped M4 threads in engine and gearbox covers, pump housings, mower decks, machine guards, electrical enclosures, brackets, and general fixtures. Commonly used in small engine repairs, garden machinery, construction tools, plant maintenance, and metal fabrication. Also suitable for reinforcing newly tapped holes in softer materials to improve durability in high-use or high-vibration environments.
Also known as:
Wire thread insert kit, helical thread repair set, M4 x 0.7 insert kit, coil thread insert set, thread saver kit, STI tap and insert set, M4 helicoil repair set, thread restorer for M4 fasteners.
Product Specifications
| L&S Part No. | 902 1536 |
|---|---|
| Manufacturer | Volkel |
| OEM No. | 04007 |
| Unit of Sale | 1 |
| Size | 4mm |
| Key Features | - Complete M4 kit: helicoil tap, drill, 10 stainless-steel inserts - Restores standard M4 (0.7 mm pitch) threads - High-speed steel drill and tap for durable cutting - Suitable for aluminium, cast iron, and steel parts - Cost-effective alternative to replacing components |

