Inch Fine Thread Repair Kit 1-1/4-12 x 1.875 - Heli Coil Products

The Heli Coil Products 5528-20 Inch Fine Thread Repair Kit provides a reliable solution for restoring stripped, worn, or damaged threads in professional automotive and industrial applications. This comprehensive kit permanently repairs compromised threads to their original size and condition, preventing the need for costly part replacement. It is engineered to perform effectively across various materials, including aluminum, magnesium, cast iron, and bronze.

Key Features

• Complete Thread Repair Solution: Specifically designed for 1-1/4-12 x 1.875 inch fine threads, this kit includes all necessary components for a durable repair.
• Permanent Thread Restoration: Helicoil inserts quickly and permanently restore damaged threads, often resulting in stronger-than-original connections.
• Broad Material Compatibility: Effective in diverse materials such as aluminum, magnesium, cast iron, and bronze, accommodating a wide range of repair scenarios.
• Professional-Grade Components: Kit includes a high-speed steel drill bit (1-9/32 drill size for 1/2" chuck), a Helicoil tap (Part 8193-20), and an installation tool (Part 535-20, Tool Type 4).
• Contains Multiple Inserts: Supplied with 4 inserts (Insert Package Part K1191-20), providing materials for several repairs.
• Durable Storage: The entire kit is organized and protected within a sturdy metal case, ensuring components are secure and readily accessible.

Applications

This Helicoil repair kit is essential for professional technicians and mechanics addressing damaged threads in a variety of settings. Common applications include repairing stripped threads in engine blocks, transmission housings, suspension components, and other heavy-duty machinery. It is particularly valuable for restoring threads in critical areas like spark plug ports, oil drain plugs, and manifold connections, extending the life of components that would otherwise be scrapped.

Specifications

• Thread Size: 1-1/4-12 UNF
• Insert Length: 1.875 inches (1.5xD)
• Drill Size: 1-9/32 inches
• Insert Material: Stainless Steel (304 grade)
• Kit Contents: 4 inserts, high-speed steel drill bit, Helicoil tap, installation tool