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BSP Thread TAP Set 1" 1/8" 1/4" 3/8" 1/2" 3/4" 5/8" 7/8" New British Standard (1/2 x 14 tpi) : Amazon.co.uk: DIY & Tools
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343A: Straight in line tap - 1/8" BSP thread into tank, 7/16" x 19TPI threaded outlet - In Line Fuel and Oil Taps - Taps & Valves - Pipe, Fittings & Taps - Vintage Car Parts
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