Helicoil is a global manufacturer of helical inserts, also known as screw thread inserts, used to accommodate standard fasteners. The Helicoil catalogue comprises thread repair inserts, thread insert tools, taps, thread repair kits and related accessories for use in automotive, aerospace and defence industries. Helicoil thread repair kit comprises steel taps, drill installation tools and helical inserts of MC, UNF and UNC thread types. Helicoil thread inserts are corrosion-resistant and have a positive self-locking torque which complies with MIL-I-8846 and MIL-N-25027. Choose from a wide range of Helicoil mandrels, taps and helical inserts on Raptor Supplies, one of the authorised Helicoil distributors.