Inch Coarse Thread Repair Kit - 1-8 x 1.500 - Heli Coil Products

The Heli-Coil 5521-16 Inch Coarse Thread Repair Kit provides a robust and permanent solution for repairing damaged or stripped 1-8 coarse threaded holes. Engineered for professional technicians and mechanics, this kit restores threads to their original size, ensuring strong, reliable fasteners in critical automotive and industrial applications. It is an indispensable tool for maintaining the integrity of machinery and vehicle components.

Key Features

• Professional-Grade Thread Restoration: Designed for durable and lasting repair of 1-8 coarse threads, often resulting in threads stronger than the original.
• Complete Kit Components: This comprehensive kit includes a high-quality tap, an installation tool, and six stainless steel inserts, providing everything needed for a complete repair.
• Enhanced Fastener Strength: Restores damaged threads to a condition often exceeding original strength, particularly in softer materials like aluminum, improving load-bearing capacity and preventing future stripping.
• Corrosion-Resistant Inserts: The included inserts are manufactured from stainless steel, offering excellent resistance to corrosion, wear, and extreme temperatures, thereby extending the lifespan of threaded connections.
• Precision Engineered: Each component is crafted to Heli-Coil's rigorous standards, ensuring accurate and effective thread repair.

Applications

This professional-grade thread repair kit is essential for a wide range of applications where damaged coarse threads compromise component security. It is commonly used by automotive technicians for repairing stripped threads in engine blocks, cylinder heads, exhaust manifolds, and transmission housings. In industrial settings, the kit is ideal for restoring damaged bolt holes in machinery, equipment frames, and various heavy-duty assemblies, ensuring reliable fastening and extending the lifespan of valuable components.

Specifications

• Manufacturer: Heli-Coil Products
• Model Number: 5521-16
• Product Name: Inch Coarse Thread Repair Kit
• Thread Size: 1-8 x 1.500 Length
• Tap Part No.: 8187-16
• Installation Tool Part No.: 3724-16
• Tool Type: 2
• Insert Package Part No.: K1185-16
• Drill Size Required: 1-1/32" (Drill bit not included)
• Packaged Insert Quantity: 6 inserts per kit