Imperial V-Coil Thread Repair Cutter Kit Helicoil Damaged Threads 1/4 – 1/2 UNC

AB Tools

Professional imperial thread repair kit for commercial or occasional use Stainless steel inserts5 different sizes imperial inserts to choose from V-Coil inserts provide high strength internal threads that resist the effects of both temperature and corrosionV-Coil thread inserts are compatible with Helicoil kits as wellImperial thread repair / Helicoil kitImperial UNC threads Suitable for thread reinforcement or repairEasy and simple to useImperial sizes ranging from 1/4 UNC – 1/2 UNC5 different size helicoil in this one kitSET INCLUDES THE FOLLOWING SIZE HELICOILS •1/4" UNC, 5/16” UNC, 3/8” UNC, 7/16” UNC and 1/2" UNCCreates a strong internal thread in softer materials Permanent repair to worn and damaged threads Suitable for repairing damaged or stripped internal threadsDue to the narrow and exact tolerances the new thread is normally strongerSIMPLE TO USE1.DRILLING – Clear the damaged thread with a standard drill – the kit includes the correct size drill 2.CHECK – Check that the thread and pitch of the tap and the bolt match3.TAPPING – Use the special V-coil taps for cutting the holding thread into the cleared hole. It is recommended to use a suitable cutting oil4.INSTALL THE INSERT – place insert on installation tool and position the adjustable ring so that the insert tang is centred on the tang slot. Wind the insert in with a light downward pressure until half a turn below the surface5.TANG REMOVAL – after finishing remove the installation tool and use the tang break tool to remove the tang SET INCLUDES THE FOLLOWING•5 different sized taps – 1/4 x 20, 5/16 x 18, 3/8 x 16, 7/16 x 14 and 1/2 x 13•5 different sized drills – 6.7mm, 8.3mm, 9.9mm, 11.6mm and 13mm•5 x insert installation tools •5 x.