Inch Coarse Thread Repair Kit - 3/4-10 x 1.125 HEL5521-12 - Heli Coil Products

The Heli-Coil Products 5521-12 Inch Coarse Thread Repair Kit offers a professional-grade solution for the permanent restoration of damaged or stripped 3/4-10 inch coarse threads. Designed for rigorous automotive and industrial environments, this comprehensive kit enables technicians to perform repairs that consistently achieve fastening integrity often exceeding the strength of the original parent material.

Key Features

• Professional-Grade Components: This kit includes a high-speed steel drill, precision tap, installation tool, tang break-off tool, and multiple 304 stainless steel thread inserts for a complete and reliable repair process.
• Superior Thread Strength: Utilizes high-strength 304 stainless steel helical inserts to create threads that often exceed the original parent material's strength, particularly beneficial in softer metals.
• Enhanced Durability: Provides increased resistance to galling, corrosion, and wear, making it suitable for high-stress applications and reducing thread loosening from vibration.
• Cost-Effective Repair Solution: Facilitates permanent component restoration, extending the lifespan of valuable parts and minimizing replacement costs and equipment downtime.

Applications

This professional thread repair kit is an indispensable tool for maintaining critical thread integrity across diverse automotive and industrial sectors. It is highly effective for repairing vital fastener points in vehicle engines, transmissions, exhaust manifolds, and suspension systems, ensuring reliable component attachment. Within industrial settings, the 5521-12 kit excels at robustly restoring compromised 3/4-10 coarse bolt holes in heavy machinery, manufacturing equipment, and fixed assets. It also provides a dependable solution for metalworking and fabrication tasks involving castings, forgings, and machined components where secure and reliable thread integrity is paramount.

Specifications

• Model Number: 5521-12
• Manufacturer: Heli-Coil Products
• Thread Type: Inch Coarse
• Thread Size: 3/4-10
• Insert Length: 1.125 inches
• Weight: 0.8 lbs
• Dimensions: 6.5 x 4.5 x 1 inches