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UNI 5739 - 1965

Hexagon Head Bolts

UNI 5739 - 1965 六角头螺栓

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Equivalent & Cross-Reference Standards

Standard Body	Standard Number
EN	EN 24017
GB	GB /T 5783
IS	IS 1364(-2)
NF	NF E 25-114
DIN	DIN EN ISO 4017
ISO	ISO 4017
UNI	UNI 5739
ANSI	ANSI/ASME B 18.2.3.1M

Dimensional Specifications — UNI 5739 - 1965 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal
M3	0.7	7	6.85	2.8	2.925	2.675
M4	1	10	9.78	4	4.15	3.85
M5	1.25	13	12.73	5.5	5.65	5.35
M6	1.75	19	18.67	8

Related Standards

GB /T 5781 - 2025— Hexagon Head Bolts - Full Thread - Product Grade C GB /T 5781 - 2016— Hexagon Head Bolts - Full Thread - Product Grade C GB /T 5783 - 2016— Hexagon Head Bolts - Full Thread GB /T 5786 - 2016— Hexagon Head Bolts with Fine Pitch Thread - Full Thread GB /T 5781 - 2000— Hexagon Head Bolts - Full Thread - Product GradeC GB /T 5783 - 2000— Hexagon Head Bolts - Full Thread - Grade A and B GB /T 5786 - 2000— Hexagon Head Bolts with Fine Pitch Thread - Full Thread GB /T 5781 - 1986— Hexagon Head Bolts - Full Thread - Product Grade C

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