Whitworth screw thread


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Whitworth screw thread

(ˈwɪtwəθ)
n
(General Engineering) a thread form and system of standard sizes, proposed by Whitworth in 1841 and adopted as standard in the U.K., having a flank angle of 55° and a rounded top and foot
[named after Sir Joseph Whitworth (1803–87), English engineer]
References in periodicals archive ?
01 Mm Range: 20 Mm Accuracy, Four Piece Combination Set With Stain Less Steel Blade Of 300mm Hardened Measuring Heads, Screw Pitch Gauge With Both Metric And Whitworth Screw Threads 0.