Damaged spark plug threads can sometimes be
reclaimed or improves by using a "thread
chaser" but stripped threads can only be
reclaimed by using a wire insert (Helicoil)
or a solid one such as a "time-sert".
We can fit helicoils
etc at our premises or yours
Broken drills, taps and
studs with broken extractors can
ONLY be removed safely by
Our mechanics are trained
in the use of portable spark eroding equipment
to remove broken taps, drills extractors etc.,
and in the fitting of inserts to reclaim stripped internal threads.