Description
Helicoil R1191-8 Replacement Inserts, 1/2″ x 20 NF, 6 Pack are designed to restore damaged threads in metal components with precision and reliability. Made from durable 304 stainless steel, these free-running helical inserts offer superior strength, ensuring a long-lasting repair solution. The Helicoil R1191-8 inserts are perfect for automotive, mechanical, and industrial applications, providing quick and efficient thread repairs. This 6-pack of inserts allows for multiple repairs and is ideal for professionals and DIY enthusiasts alike.
Features:
- Item: Helical Insert
- Type: Free Running Helical
- Material: 304 Stainless Steel
- Internal Thread Size: 1/2-20
- Thread Type: UNF
- Thread Direction: Right Hand
- Length: 0.750″
- Free Coil Dia.: 0.605″
- Tap Sizes: 1/2-20 STI
- Drill Size: 33/64″
- Tensile Strength (PSI): 200,000 to 250,000
- Rockwell Hardness: C43-C50
- Application: For Metal
- Package Quantity: 6
- Image is a representation of actual product
Benefits:
- Restores damaged or worn-out threads quickly and efficiently.
- Free-running design ensures smooth and easy installation.
- Durable 304 stainless steel construction for strength and corrosion resistance.
- Ideal for automotive, industrial, and mechanical thread repairs.
- Cost-effective solution for thread repairs, preventing expensive part replacements.
Technical Specifications:
- Model: R1191-8
- Thread Size: 1/2″-20 NF
- Material: 304 Stainless Steel
- Length: 0.750″
- Tensile Strength: 200,000 to 250,000 PSI
- Rockwell Hardness: C43-C50
- Drill Size: 33/64″
- Package: 6 Inserts





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