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Recoil
supply a range of STI (Screw Thread Insert) taps. The STI taps have
a larger diameter with the same pitch as a standard tap in order to
accommodate the wire thread insert. This will enable the same size
bolt to be used in the re threaded hole.
Spark Plug kits
contain a pilot nose tap to guide the tap along the original thread
and ensure accurate alignment. This style of tap is widely used in
repairing damaged spark plug threads, other through holes and
generally does not require prior drilling. |