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ANSI B 18.3

Metric Hexagon Socket Countersunk Head Cap Screws (ASTM F835M / F879M / A1-70)

ASME/ANSI B 18.3.5M - 1986 (R2008) 米制内六角沉头螺钉 (ASTM F835M / F879M / A1-70)

See all versions and complete specifications: Metric Hexagon Socket Countersunk Head Cap Screws (ASTM F835M / F879M / A1-70) — Full Specification Page

Dimensional Specifications — ANSI B 18.3 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M3	0.7	1.5	2.87	7.8	2.48	4	3.82	2.560	2.52	8.96	2.5
M4	1	2.2	4.58	11.7	3.72	6	5.82	4.084	4.02	13.44	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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