GOST 7798 - 1970 Hexagon bolts with wire holes on head

俄标GOST 7798 - 1970 GOST7798 7798GOST 六角頭頭部帶孔螺栓

Unit: 毫米(mm)

Thread Size
d

P	Coarse thread
	Fine thread
d₁
s
k
e	min
d_w	min
h₁	min
	max
d₄	min=nominal size
	max
L₂	Nominal Size
	min
	max

1	1.25	1.5
/	1	1.25
6	8	10
10	13	16
4	5.3	6.4
10.9	14.2	17.6
8.7	11.5	14.5
0.15	0.15	0.15
0.6	0.6	0.6
2	2.5	2.5
2.4	2.9	2.9
2	2.8	3.5
1.8	2.6	3.26
2.2	3	3.74

Thread Length
b

GB /T 32.1 - 2020

Hexagon Bolts With Wire Holes On Head

GB /T 32.3 - 2020

Hexagon Bolts With Wire Holes On Head - Fine Pitch Thread

GB 32.1 - 1988

Hexagon Bolts With Wire Hole On Head-Product Grade A and B

GB 32.2 - 1988

Hexagon Bolts With Wire Holes On Head - Reduced Shank - Product Grade B

GB 32.3 - 1988

Hexagon Bolts With Wire Holes On Head-fine Pitch Thread-product Grade A And B

GB 25 - 1976

Bolts, Small Hexagon Head With Holes Through The Head

GB 26 - 1976

Bolts, Small Hexagon Head With Fit Neck And Holes Through The Head

Q 170

Hexagon bolts with wire holes on head

Q 170B

Hexagon bolts with wire hole on head

Q 171

Hexagon bolts with wire holes on head

Q 171B

Hexagon bolts with wire hole on head

Q 171C

Hexagon bolts with wire hole on head

EN 2887 - 1995

Aerospace series - Bolts, normal hexagonal head, threaded to head, in corrosion resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/425 °C

TB /T 1479 - 1991

GOST 7796 (-3) - 1970

Hexagon Reduced Head Bolts Product Grade B, Type 3

GOST 7805 (-3) - 1970

Hexagon Bolts With Wire Holes On Head, product grade A, Type 3

NAS NAM 51474 (DS 51474) - 2011

Screw, cap, hex head, fully threaded, metric

QJ 2365 - 1992

Hexagon head bolts with hole

WJ 2215 - 1994

Hexagon Bolts With Wire Holes On Head - Full Thread