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ASME B 18.3 - 2003

Hexagon Socket Flat Countersunk Head Cap Screws

ASME B 18.3 - 2003 (R2008) 内六角沉头螺钉 [Table 2A]

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Dimensional Specifications — ASME B 18.3 - 2003 (mm)

Size	P	e	k_max	k_min	s_max	s_min	ds_max	ds_min	ds_nominal
0#	0.073	0.050	0.073	0.0695	64.0	72.0	0.143	0.054	0.168
1#	0.099	0.062	0.099	0.0949	48.0	56.0	0.193	0.073	0.226
2#	0.125	0.078	0.125	0.1202	40.0	44.0	0.240	0.090	0.281
3#	0.164	0.094	0.164	0.1585	32.0	36.0	0.311	0.112	0.359
4#

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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