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BS 1768 - 1963

Unified Hexagon Ordinary Nuts

BS 1768 - 1963 精制美制六角螺母

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Dimensional Specifications — BS 1768 - 1963 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
1/4	0.5	0.483	0.473	0.493	0.271	0.261	0.577
3/8	0.875	0.855	0.845	0.867	0.489	0.479	1.010
5/16	0.6875	0.668	0.658	0.6795	0.38	0.37	0.794
7/16	1.125	1.100	1.090	1.115	0.651	0.631	1.300

Related Standards

GB /T 41 - 2016— Hexagon Nuts, Style 1 - Product Grade C GB /T 41 - 2000— Hexagon Nuts - Product Grade C GB 52 - 1976— Hexagon Nuts GB /T 6175 - 2016— Hexagon Nuts,Style 2 GB /T 6170 - 2015— Hexagon Nuts, Style 1 GB /T 6170 - 2000— Hexagon Nuts, Type 1 GB /T 6175 - 2000— Hexagon Nuts, Style 2 GB 6170 - 1986— Hexagon Nuts, Type 1 - Product Grades A and B GB 6175 - 1986

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