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GB /T 16939 - 2016

High Strength Bolts for Joints of Space Grid Structures

GB /T 16939 - 2016 钢网架螺栓球节点用高强度螺栓

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Dimensional Specifications — GB /T 16939 - 2016 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M12	2	54	6.75	20.38	14.35	17	21	7.5	8.25	21	13.65
M14	2.5	73	11.6	29.48	20.42	25	30	12.5	13.4	30	19.58
M16	3	90	16.1	40.38	27.42	33	39	17	17.9	41	26.58
M20	4	125	21.45	54.26	36.5

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 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 GB /T 1228 - 1991— High Strength Bolts with Large Hexagon Head for Steel Structures

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