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The BSW is the Coarse Thread series of British Standard 84:1956 - Parallel Screw Threads of Whitworth Form. The dimensions given in the tables on the following pages for the major, effective, and minor diameters are, respec- tively, the maximum limits of these diameters for bolts and the minimum limits for nuts.
BSW British Standard Whitworth was used on British cars in the 1930s and 1940s. We currently maintain stocks of these nuts and bolts. Available by thread size.
bsw nuts; metric nuts; unc nuts; unf nuts; steel nuts . steel ba nuts; steel bsc - cei nuts; steel bsf nuts; steel bsp nuts; steel bsw nuts; steel metric nuts; steel unf nuts; dies . bsc dies; ... bolt 1\2 bsw x 4" $8.50. add to cart compare. quick view. sku: 1595. bs whitworth bolt 1/2 x 12 @ 3.5. this fastener is partially threaded $7.15 ...
THREAD DATA CHART; British Thread (British Standard Whitworth) -- Coarse Pitch; Nominal Size Ww Thread Form Type Major Diameter mm d=D Pitch mm p Threads per inch tpi
From 1⁄4 in up to 11⁄2 in, thread pitch is the same in both systems except that the thread pitch for the 1⁄2 in bolt is 12 threads per inch (tpi) in BSW versus 13 tpi in the UNC. The form of a Whitworth thread is based on a fundamental triangle with an angle of 55° at each peak and valley.
Browse and buy BSW Full Nuts from Bolts.co.uk. Free next day delivery available for orders over £60. Buy Now.
1/2" BSW Full Nuts (BS 1083) - A2 Stainless Steel. Hexagon Full Nuts are a standard fastener and the most commonly used nut in attaching bolts and screws. Full Nuts are extremely versatile and may be used in a broad range of fixtures and fittings.
