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BS 2470 - 1973

Hexagon Socket Round Head Screws - Unified Thread

BS 2470 - 1973 统一螺纹内六角圆头螺钉 Table 4

See all versions and complete specifications: Hexagon Socket Round Head Screws - Unified Thread — Full Specification Page

Dimensional Specifications — BS 2470 - 1973 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
0#	0.139	0.050	0.028	0.129	0.039	0.033	1/2
1#	0.188	1/16	0.035	0.176	0.052	0.044	1/2
2#	0.238	5/64	0.044	0.226	0.066	0.058	1/2
3#	0.312	3/32	0.052	0.298	0.087	0.077	3/4
4#	0.437	5/32	0.087	0.419	0.132	0.122	1

Related Standards

GB /T 70.2 - 2015— Hexagon Socket Button Head Screws GB /T 70.2 - 2008— Hexagon Socket Button Head Screws GB /T 70.2 - 2000— Hexagon Socket Button Head Screws GB /T 70.4 - 2015— Hexagon Socket Button Head Screws with Collar ISO 7380-1 - 2022— Hexagon Socket Button Head Screws ISO 7380-2 - 2022— Hexagon Socket Button Head Screws with Collar ISO 7380-1 - 2011— Hexagon Socket Button Head Screws ISO 7380-2 - 2011— Hexagon Socket Button Head Screws with Collar

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