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GB 70 - 1976

Hexagon Socket Head Cap Screws

GB 70 - 1976 内六角圆柱头螺钉

See all versions and complete specifications: Hexagon Socket Head Cap Screws — Full Specification Page

Equivalent & Cross-Reference Standards

Standard Body	Standard Number
AS	AS 1420
GB	GB /T 70.1
NF	NF E 25-125
DIN	DIN EN ISO 4762
ISO	ISO 4762
UNI	UNI 5931
ANSI	ANSI/ASME B 18.3.1M

Dimensional Specifications — GB 70 - 1976 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M4	0.8	3.1	2.5	5.24	4.76	8.5	8.3	4.16	4.03	5	4
M5	1.25	4.75	4	8.29	7.71	12.5	12.26	6.16

Related Standards

GB 70 - 1985— Hexagon Socket Cap Head Screws GB /T 70.1 - 2008— Hexagon Socket Head Cap Screws GB /T 70.1 - 2000— Hexagon Socket Head Cap Screws GB /T 70.6 - 2020— Hexagon Socket Head Cap Screws - Fine Pitch Thread DIN 7984 - 2022— Hexagon Socket Head Cap Screws with Low Head with Reduced Loadability DIN 6912 - 2021— Hexagon Socket Head Cap Screws with Reduced Loadability - Low Head, with Centre DIN 7984 - 2021— Hexagon Socket Head Cap Screws with Low Head with Reduced Loadability DIN 6912 - 2009— Hexagon Socket Head Cap Screws with Centre, with Low Head

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