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CNS 3124 - 1987

Hexagon Head Bolts for Steel Structures

CNS 3124 - 1987 钢结构用六角头螺栓

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

Dimensional Specifications — CNS 3124 - 1987 (mm)

Size	P	k_max	s_max	s_min	k_nominal
M12	2	26.17	23	10	24
M16	2.5	35.03	28	14	32
M20	3	45.2	32.5	17	41
M22	3.5	50.85	35	19	46

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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