Inch Coarse Thread Repair Kit - 1-1/2-6 x 2.250 - Heli Coil Products

The Heli-Coil 5521-24 Inch Coarse Thread Repair Kit provides a robust and dependable solution for restoring stripped or damaged 1-1/2-6 coarse threads in demanding automotive and industrial environments. This professional-grade kit ensures a precise, permanent repair, significantly extending the life of critical components and preventing costly replacements.

Key Features

• Permanent Thread Restoration: Specifically designed for 1-1/2-6 coarse threads, it creates a stronger-than-original thread for long-lasting durability, often exceeding the original thread's capabilities.
• Comprehensive Repair Solution: This complete kit includes all necessary components for a successful repair: a dedicated tap (Part No. 8187-24), an installation tool (Part No. 3724-24), and a high-speed steel (HSS) drill bit.
• Accurate Hole Preparation: Features a 1-17/32" HSS drill bit, suitable for 1/2" chucks, ensuring precise hole preparation for optimal insert seating.
• Multiple Repair Capacity: Supplied with 4 professional-grade thread inserts (Part No. K1185-24) to handle several repair tasks.
• Reliable Construction: Manufactured by Heli-Coil Products, a leader in thread repair technology, ensuring professional-grade quality, corrosion resistance, and consistent performance.

Applications

This professional-grade thread repair kit is an indispensable asset for mechanics, machinists, and maintenance technicians across various sectors. It is ideally suited for repairing damaged threads in engine blocks, transmission casings, heavy equipment components, and industrial machinery where maintaining a strong, original-size thread is critical. Compatible with a broad range of ferrous and non-ferrous materials, including aluminum and softer metals, it offers a versatile solution for common thread repair challenges.

Specifications

• Manufacturer: Heli-Coil Products
• Model Number: 5521-24
• Thread Size: 1-1/2-6 (Inch Coarse)
• Insert Length: 2.250 inches
• Drill Bit Size: 1-17/32" (HSS)
• Tap Part Number: 8187-24
• Installation Tool Part Number: 3724-24
• Number of Inserts Per Kit: 4