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Screws with British Standard Whitworth Threads (rationalized series)

AS /NZS 2451 - 1998

Display drawing:

Screw Thread 1-1/8
D 1.125
P BSW 7
S Max 1.67
S Min 1.64
E Min 1.87
R Min 1/8
K Max 0.79
K Min 0.75