Helicoil Replacement Inserts, 7/16″ x 20 NF, 6 Pack (R1191-7)

Helicoil R1191-7 Replacement Inserts, 7/16″ x 20 NF, 6 Pack are designed to restore damaged threads in automotive, industrial, and mechanical applications. These free-running helical inserts are made from high-quality 304 stainless steel for durability and strength. The Helicoil R1191-7 inserts are perfect for repairing 7/16″-20 NF threads, ensuring a reliable and precise fit. This 6-pack is ideal for quick, efficient thread repairs and offers a long-lasting solution for metal applications.Features: Item: Helical Insert Type: Free Running Helical Material: 304 Stainless Steel Internal Thread Size: 7/16-20 Thread Type: UNF Thread Direction: Right Hand Length: 0.750″ Free Coil Dia.: 0.563″ Tap Sizes: 7/16-20 STI Drill Size: 27/64″ Tensile Strength (PSI): 200,000 to 250,000 Rockwell Hardness: C43-C50 Application: For Metal Package: Quantity 6Benefits: Repairs damaged or worn threads quickly and easily. Free-running design allows for smooth and efficient installation. Made from durable 304 stainless steel for long-lasting strength and corrosion resistance. Ideal for automotive, mechanical, and industrial repairs. Prevents the need for expensive replacements or rework by restoring thread integrity.Technical Specifications: Model: R1191-7 Thread Size: 7/16″-20 NF Material: 304 Stainless Steel Length: 0.750″ Tensile Strength: 200,000 to 250,000 PSI Rockwell Hardness: C43-C50 Drill Size: 27/64″ Package: 6 Inserts