Back Home / Assortment & Kits / Fasteners / THREAD REPAIR KIT-UNF, H-COIL INSERTS,TAPS,TOOLS 1/4 – 1/2 THREAD REPAIR KIT-UNF, H-COIL INSERTS,TAPS,TOOLS 1/4 – 1/2 SKU: HCIFA Categories: Assortment & Kits, Fasteners Helically coiled inserts. UNF fine thread. Includes 30 inserts, 5 taps, 5 installation & 5 pre-winding tools. Sizes include 1/4″-28 through 1/2″-20. In a plastic carrying case. Helically coiled inserts. UNF fine thread. Includes 30 inserts, 5 taps, 5 installation & 5 pre-winding tools. Sizes include 1/4″-28 through 1/2″-20. In Case Quantity: 1 Log In For Pricing