Home / Tooling & Assorted Box Sets / Thread Insert Systems / STI-Taps / Hex Tap for Spark Plug Threads Hex Tap for Spark Plug Threads Filters: Thread Diameter M16 X 1.25mm Apply filters Clear filters Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 1 Product Filter Sort V-COIL - M16 X 1.25mm - Hex Tap For Spark Plug £30.98 V-COIL - M16 X 1.25mm - Hex Tap For Spark Plug £30.98 View Product Add to cart Quickview