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BS 2470 - 1973

Hexagon Socket Countersunk Head Screws - Unified Thread

BS 2470 - 1973 统一螺纹内六角沉头螺钉 Table 3

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Dimensional Specifications — BS 2470 - 1973 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	k_nominal	ds_nominal
0#	0.0730	0.050	0.031	0.0695	0.168	0.057	0.143	0.625
1#	0.0990	1/16	0.044	0.0949	0.226	0.075	0.193	0.625
2#	0.1250	5/64	0.061	0.1202	0.281	0.093	0.240	0.750
3#	0.1640	3/32	0.076	0.1585	0.359	0.116	0.311	0.875

Related Standards

GB /T 70.3 - 2023— Hexagon Socket Countersunk Head Screws with Reduced Loadability GB /T 70.3 - 2008— Hexagon Socket Countersunk Head Screws GB /T 70.3 - 2000— Hexagon Socket Countersunk Head Screws IFI 535 - 1982— Metric Socket Countersunk Head Cap Screws DIN 7991 - 1986— Hexagon Socket Countersunk Head Cap Screws ISO 10642 - 2019— Hexagon Socket Countersunk Head Screws with Reduced Loadability ISO 10642 - 2004— Hexagon Socket Countersunk Head Screws ISO 10642 - 1997— Hexagon Socket Countersunk Head Screws

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