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ANSI B 18.3

Metric Heaxagon Socket Round Head Screws

ASME/ANSI B 18.3.4M - 1986 米制内六角平圆头螺钉

See all versions and complete specifications: Metric Heaxagon Socket Round Head Screws — Full Specification Page

Equivalent & Cross-Reference Standards

Standard Body	Standard Number
GB	GB /T 70.2
DIN	DIN EN ISO 7380(-1)
ISO	ISO 7380(-1)
ANSI	ASME/ANSI B 18.3.4M

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	2.87	1.30	1.95	0.38	7.60	7.24	2.56	2.52	2.20	2.5
M4	1	4.58	2.08	3.00	0.80	10.50	10.07	4.084

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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