Thread Repair Kit for Glow Plugs - M8 x 1.0
Taps and coil inserts for repairing M8 glow plug threads.
5 x 12mm Deep Inserts
with black phosphate finish.
Essential kit that solves common problems
on diesel engine alloy cylinder heads.
Rectifies cross-threading and over tightening.
This kit ensures a straight thread and
the new insert provides an efficient fit.

Insert material is Carbon Steel.