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.
10 x TIME-SERT® M10 x 1.5 x 20mm Thread Repair Inserts - Helicoil Replacement
10 x Recoil helicoil type wire inserts metric Coarse M10 x 1.5 x 1.5D 25103
10 x Wurth M10 x 1.5 x 14mm TIME SERT® INSERTS 14mm length for - Thread Repair
V-Coil 10 mm Thread Inserts M10 x 1.25 1.0D 10 off Helicoil Compatible
10mm M10 x 1mm Grease Nipples - Straight x 10
TIME-SERT® M10 x 1.5 x 24.5mm Inserts - Suits BMW Head Bolts - Pack of 10