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DIN 7990 - 2017

Hexagon Head Bolts with Hexagon Nut for Steel Structures

DIN 7990 - 2017 钢结构用带六角螺母的六角头螺栓

See all versions and complete specifications: Hexagon Head Bolts with Hexagon Nut for Steel Structures — Full Specification Page

Dimensional Specifications — DIN 7990 - 2017 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M12	2	23.16	24	16.7	26.17	24.5	16	9.25	10.75	15.3	10
M16	3	35	36	24.84	39.55	33	24	14.1	15.9	23.16	15
M20	3.5	45	46	30.84	50.85	38.5	30	17.95	20.05	29.16	19

Related Standards

GB /T 1231 (bolt) - 2024— High Strength Bolts with Large Hexagon Head Assemblies for Steel Structures GB /T 9125.1 - 2020— Hex Bolt for Pipe Flange Connection - PN Designated GB /T 9125.2 - 2020— Hex Bolt for Pipe Flange Connection - Class Designated GB /T 16939 - 2016— High Strength Bolts for Joints of Space Grid Structures GB /T 9125 - 2010— Hex Bolt for Pipe Flange Connection GB /T 1228 - 2006— High Strength Bolts with Large Hexagon Head for Steel Structures GB /T 9125 - 2003— Hex Bolt for Pipe Flange Connection GB /T 16939 - 1997— High Strength Bolts for Joints of Space Grid Structures

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