Home / Tooling & Assorted Box Sets / Thread Insert Systems / STI-Taps / Second Lead STI-Taps / UNF Second Lead STI-Taps UNF Second Lead STI-Taps Filters: Thread Diameter 1 1/2" UNF x 12TPI 1 1/4" UNF x 12TPI 1 1/8" UNF x 12TPI 1 3/8" UNF x 12TPI 1" UNF x 12TPI 1" UNF x 14TPI 1/2" UNF x 20TPI 1/4" UNF x 28TPI 3/4" UNF x 16TPI 3/8" UNF x 24TPI 5/16" UNF x 24TPI 5/8" UNF x 18TPI 7/16" UNF x 20TPI 7/8" UNF x 14TPI 9/16" UNF x 18TPI No.10 UNF x 32TPI No.6 UNF x 40TPI No.8 UNF x 36TPI Apply filters Clear filters Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 18 Products Filter Sort V-COIL - 1 1/2" UNF x 12TPI - STI-Taps (Set of 2) £220.50 V-COIL - 1 1/2" UNF x 12TPI - STI-Taps (Set of 2) £220.50 View Product Add to cart Quickview V-COIL - 1 1/4" UNF x 12TPI - STI-Taps (Set of 2) £136.50 V-COIL - 1 1/4" UNF x 12TPI - STI-Taps (Set of 2) £136.50 View Product Add to cart Quickview V-COIL - 1 1/8" UNF x 12TPI - STI-Taps (Set of 2) £112.35 V-COIL - 1 1/8" UNF x 12TPI - STI-Taps (Set of 2) £112.35 View Product Add to cart Quickview V-COIL - 1 3/8" UNF x 12TPI - STI-Taps (Set of 2) £164.85 V-COIL - 1 3/8" UNF x 12TPI - STI-Taps (Set of 2) £164.85 View Product Add to cart Quickview V-COIL - 1" UNF x 12TPI - Second Lead STI-Taps £37.80 V-COIL - 1" UNF x 12TPI - Second Lead STI-Taps £37.80 View Product Add to cart Quickview V-COIL - 1" UNF x 14TPI - Second Lead STI-Taps £37.80 V-COIL - 1" UNF x 14TPI - Second Lead STI-Taps £37.80 View Product Add to cart Quickview V-COIL - 1/2" UNF x 20TPI - Second Lead STI-Taps £10.50 V-COIL - 1/2" UNF x 20TPI - Second Lead STI-Taps £10.50 View Product Add to cart Quickview V-COIL - 1/4" UNF x 28TPI - Second Lead STI-Taps £6.09 V-COIL - 1/4" UNF x 28TPI - Second Lead STI-Taps £6.09 View Product Add to cart Quickview V-COIL - 3/4" UNF x 16TPI - Second Lead STI-Taps £26.15 V-COIL - 3/4" UNF x 16TPI - Second Lead STI-Taps £26.15 View Product Add to cart Quickview V-COIL - 3/8" UNF x 24TPI - Second Lead STI-Taps £6.93 V-COIL - 3/8" UNF x 24TPI - Second Lead STI-Taps £6.93 View Product Add to cart Quickview V-COIL - 5/16" UNF x 24TPI - Second Lead STI-Taps £6.62 V-COIL - 5/16" UNF x 24TPI - Second Lead STI-Taps £6.62 View Product Add to cart Quickview V-COIL - 5/8" UNF x 18TPI - Second Lead STI-Taps £21.53 V-COIL - 5/8" UNF x 18TPI - Second Lead STI-Taps £21.53 View Product Add to cart Quickview V-COIL - 7/16" UNF x 20TPI - Second Lead STI-Taps £9.24 V-COIL - 7/16" UNF x 20TPI - Second Lead STI-Taps £9.24 View Product Add to cart Quickview V-COIL - 7/8" UNF x 14TPI - Second Lead STI-Taps £37.80 V-COIL - 7/8" UNF x 14TPI - Second Lead STI-Taps £37.80 View Product Add to cart Quickview V-COIL - 9/16" UNF x 18TPI - Second Lead STI-Taps £17.43 V-COIL - 9/16" UNF x 18TPI - Second Lead STI-Taps £17.43 View Product Add to cart Quickview V-COIL - No.10 UNF x 32TPI - Second Lead STI-Taps £9.24 V-COIL - No.10 UNF x 32TPI - Second Lead STI-Taps £9.24 View Product Add to cart Quickview V-COIL - No.6 UNF x 40TPI - Second Lead STI-Taps £9.24 V-COIL - No.6 UNF x 40TPI - Second Lead STI-Taps £9.24 View Product Add to cart Quickview V-COIL - No.8 UNF x 36TPI - Second Lead STI-Taps £9.24 V-COIL - No.8 UNF x 36TPI - Second Lead STI-Taps £9.24 View Product Add to cart Quickview