Big-Sert 4900BS M12 x 1.75mm Oversized Universal Head Bolt Thread Repair Kit

Description Big-Sert 4900BS M12 x 1.75mm Oversized Universal Head Bolt Thread Repair Kit BIG-SERT OVERSIZED UNIVERSAL HEAD BOLT 10 inserts of a 30mm length included in kit. Normally used when a helicoil or coil style insert has failed Click here for NOTES: head alignment Dowel for GM, Toyota and Honda. Universal head bolt kits can be used in any application in size available. A simple tool setup is all that is required read more in the instructions There are 10 inserts included in each Universal head bolt kit.Click here: for video instructions PROFESSIONAL THREAD REPAIR SYSTEM SCREW THREAD INSERTS AMERICAN & METRIC SIZES TIME-SERT is a thread renewal system Easily repair stripped or damaged threads Time Sert inserts self locking. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.