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BS 450 - 1958

Cross Recess Mushroom Head Screws with B.S.W. & B.S.F. Threads [Table 8]

BS 450 - 1958 英制十字槽大扁头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 8]

See all versions and complete specifications: Cross Recess Mushroom Head Screws with B.S.W. & B.S.F. Threads [Table 8] — Full Specification Page

Dimensional Specifications — BS 450 - 1958 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1/4	0.3750	0.197	0.215	0.787	0.215	16	20	4	0.356	0.823	0.191
1/8	0.1875	0.092	0.110	0.425	0.118	24	(32)	2	0.170	0.448	0.103

Related Standards

GB 973 - 1976— Crosss Recessed Mushroom Screws JIS B 1111 (JA6) - 2017— Cross Recessed Mushroom Head Screws JIS B 1111 (A4) - 2006— Cross Recessed Mushroom Head Screws [Annex Attached Table 4]JIS B 1111 (A4) - 1996— Cross Recessed Mushroom Head Screws [Annex Attached Table 4]ASME/ANSI B 18.6.3 - 2003— Cross Recessed Truss Head Machine Screws NF E 25-129 - 1985— Cross Recessed Mushroom Head Screws NF L 22-181 - 1976— Mushroom Head Screws with B.N.A.E. Cross Recess. SIM Thread NF L 22-186 - 1976— Mushroom Head Screws with B.N.A.E. Cross Recess and Cone Point. SIM Thread

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