Thread Repair Inserts M8 20 pcs NEO tools 11-907

NEO tools Thread Repair Inserts M8 set includes 20 helical wire inserts designed to restore worn or damaged M8 internal threads in metal components. The inserts recreate a reliable female M8 thread for fastening bolts and studs, improving thread strength and load distribution in repair and maintenance tasks for engines, housings and machinery parts.

Advantages

The kit provides a consistent internal M8 thread solution that resists wear and reduces the risk of stripped connections. Helical wire construction allows for even load distribution along the engaged length and helps to protect the parent material from further damage. The set format with 20 inserts ensures multiple repairs without the need to reorder individual pieces, and compatibility with common installation tools makes application straightforward for workshop and field use.

Suitable for

• Repairing stripped or damaged M8 threads in engine blocks and cylinder heads
• Restoring threads in housings, gearboxes and pump casings
• Maintenance of agricultural, construction and industrial machinery
• Reinforcing threads in soft or worn metal components

Key specifications

• Thread size: M8 internal thread
• Format: set of 20 helical wire inserts
• Intended material: metal components and castings
• Function: thread restoration and reinforcement for fastening bolts and studs

How to use

Select the appropriate drill and tap sizes for M8 insert installation, drill out the damaged thread to the specified pilot diameter, then tap the hole to the insert thread specification. Install the helical insert using the correct insertion tool until the tang seats at the required depth, then break or remove the installation tang if applicable. Finally, check the restored M8 internal thread with the corresponding bolt or stud to ensure correct fit and alignment.

Usage recommendations

Use compatible drill, tap and insertion tools to maintain insert concentricity. For critical load-bearing repairs, inspect the parent material for cracks and consider using a slightly longer insert to increase engaged length. Store inserts in a dry environment to prevent corrosion before installation.