REPAIR KIT w/DRILL BIT 5/16-18 - Heli Coil Products

The Heli-Coil 5721-5 Thread Repair Kit with Drill Bit provides a professional-grade solution for restoring stripped, worn, or damaged 5/16"-18 UNC threads to their original strength and size. This comprehensive kit is designed for professional technicians and mechanics, offering a cost-effective and permanent repair that avoids the expense and downtime of replacing entire components. Engineered for reliability, Heli-Coil inserts are a trusted solution across a wide range of demanding applications.

Key Features

• Complete Thread Repair Solution: Each kit includes a high-speed steel (HSS) tap, a precision installation tool, multiple stainless steel inserts, and the necessary drill bit for efficient and accurate thread restoration.
• Durable Stainless Steel Inserts: The included thread inserts are precision-formed from 18-8 (Type 302/304) stainless steel, providing exceptional strength, wear resistance, and corrosion resistance.
• Enhanced Thread Strength: Heli-Coil inserts create new 60° internal screw threads that often exceed the strength of the original threads, particularly in softer materials like aluminum or magnesium, ensuring a robust and long-lasting repair.
• Vibration and Impact Resistant: Once installed, the inserts are held securely in place by coil tension, offering resistance to vibration and impact in critical applications.
• Professional-Grade Quality: Manufactured by Heli-Coil Products, a leader in thread repair, this kit meets rigorous quality standards, including ISO 9001 certification.

Applications

This 5/16"-18 UNC thread repair kit is indispensable for maintaining and repairing equipment in various professional settings. It is ideal for fixing stripped threads in automotive engine components, machinery, industrial equipment, and marine applications. Technicians commonly utilize Heli-Coil kits for repairing bolt holes in aluminum engine blocks, transmission cases, and other critical parts where original equipment manufacturer (OEM) specifications or robust repairs are required.

Specifications

• Manufacturer: Heli Coil Products
• Model Number: 5721-5
• Thread Size: 5/16"-18 UNC
• Insert Material: 18-8 (304) Stainless Steel
• Kit Contents: Drill Bit, STI Tap, Installation Tool, Thread Inserts