AB Tools Helicoil Type Thread Repair Inserts 1/4 inch UNF x 1.5D 10pc Wire Thread Insert

Professional tool for commercial or occasional use Manufactured from precision profiled stainless steel wire for strength and durability When installed they provide strong permanent internal thread which resist heat and corrosion Used to strengthen threads, giving applications a longer life span Improves holding or pull out resistance Once fitted their position is maintained by the action of the radial pressure between the coils and the flanks of the tapped hole Replacement thread insert coil packs Helicoil kit replacement threads Size of the Helicoil 1/4" UNF Length 1.5D (this is the finished distance when in the hole - so 1.5 x the actual insert size) This listing is for a pack of 10 inserts.