Description
Helicoil R1185-8 Replacement Inserts, 1/2″ x 13 NC, 6 Pack are designed for restoring damaged threads in metal applications. Made of high-quality 304 stainless steel, these free-running inserts are ideal for both professional and DIY thread repair projects in automotive and industrial settings.
Features:
- Thread Size: 1/2″-13 UNC
- Package Quantity: 6 inserts
- Free Running Type for easy installation and smooth performance
- Material: Durable 304 Stainless Steel, resistant to corrosion
- Internal Thread Size: 1/2″-13
- Thread Type: UNC (Unified National Coarse)
- Thread Direction: Right Hand
- Insert Length: 0.750 inches
- Free Coil Diameter: 0.609 inches
- Tap Sizes: 1/2″-13 STI
- Drill Size: 33/64 inches
- Tensile Strength: 200,000 to 250,000 PSI
- Rockwell Hardness: C43-C50
- Designed for metal applications
Benefits:
- Restores stripped or damaged threads, saving on costly repairs or part replacements.
- High tensile strength and hardness for long-lasting performance.
- Convenient 6-pack, perfect for multiple repairs.
Technical Specifications:
- Model: R1185-8
- Thread Size: 1/2″-13 UNC
- Material: 304 Stainless Steel
- Insert Length: 0.750 inches
- Free Coil Diameter: 0.609 inches
- Tap Size: 1/2″-13 STI
- Drill Size: 33/64 inches
- Pack Size: 6 inserts
- Application: Automotive, industrial, and general metal thread repair






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