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NF E 25

High Strength Bolts with Large Hexagon Head for Steel Structure

NF E 25-801-3 - 2005 钢结构用高强度大六角头螺栓

See all versions and complete specifications: High Strength Bolts with Large Hexagon Head for Steel Structure — Full Specification Page

Dimensional Specifications — NF E 25 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M12	2	13.3	14.7	8.8	9.25	34	40	24	23.16	/	8.35
M14	2.5	17.3	18.7	11.5	12.4	42	48	30	29.16	/	10.6
M16	2.5	21.16	22.84	14	14.9	50	56	36	35	69	13.1
M18	3	26.16	27.84	17	17.9

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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