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UNI 5712 - 1975

High-strength Large Hexagon Bolts for Structural Engineering - ISO Metric Coarse Thread

UNI 5712 - 1975 钢结构用高强度大六角头螺栓 - ISO 公制粗牙螺纹

See all versions and complete specifications: High-strength Large Hexagon Bolts for Structural Engineering - ISO Metric Coarse Thread — Full Specification Page

Dimensional Specifications — UNI 5712 - 1975 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M12	2	9	0.4	14	24	1.6	1.2	26.17	22.4
M14	2.5	12	0.4	18	30	1.6	1.2	32.95	28.4
M16	2.5	14	0.4	22	36

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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