Болты с шестигранным болтом M3 M8 M9 Ss 3/8 4,8 Hdg 8,8 M32 M60, гайка Unf Tap M12 M13 M15 M18 M20 M22 M25 M26 M30 M38 M40 M56 M64 10,9 12,9

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❆Product Video❆




❆Product Description❆


Product name:
Cold headling steel hex bolt.
Grade:
4.8, 6.8, 8.8, 10.9, 12.9.
Material:
Q235, 35K, 45#, 20MnTiB, 40Cr, 35CrMoA.
Finish:
HDG, Plain, Black, Zinc plated, Dacromet, Sherardizing.
Size:
M4-M50.
Standard:
DIN931, DIN933, BS916, UNC, ASME.
Length:
12-200mm, or customized.
Color:
White, Yellow, Gray, Black, Blue white.
Application:
Building,Machine parts,Furniture,Electric power fittings etc.
Packaging:
Bag, Carton, Pallet, or customized.


❆Product Show❆








❆Product Size❆




DIN931 HEX BOLT:




Nominal 
diameter
(d)
Pitch of
screw thread
Thread length (b)
ds
k
s

L≤125
125≤L≤200
200≤L
max----min
max----min
max----min
M6
1
18
24
37
6----5.7
4.24----3.76
10----9.64
M8
1.25
22
28
41
8----7.64
5.54----5.06
13----12.57
M10
1.5
26
32
45
10----9.64
6.69----6.11
16----15.57
M12
1.75
30
36
49
12----11.57
7.79----7.21
18----17.48
M14
2
34
40
53
14----13.57
9.09----8.51
21----20.16
M16
2
38
44
57
16----15.57
10.29----9.71
24----23.16
M18
2.5
42
48
61
18----17.57
11.85----11.15
27----26.15
M20
2.5
46
52
65
20----19.48
12.85----12.15
30----29.16
M22
2.5
50
56
69
22----21.48
14.35----13.65
34----33


DIN933 HEX BOLT:




d
M4
M5
M6
M8
M10
M12
M14
p
0.7
0.8
1
1.25
1.5
1.75
2
k
2.8
3.5
4
5.3
6.4
7.5
8.8
s
7
8
10
13
17
19
22
d
M16
M18
M20
M22
M24
M27
M30
p
2
2.5
2.5
2.5
3
3
3.5
k
10
11.5
12.8
14
15
17
18.7
s
24
27
30
32
36
41
46


BS916 HEX BOLT:




Nominal diameter
(d)
Pitch of screw thread
k
s
b
BSW
BSF
max
min
max
min
min
1/4
20
26
0.176
0.156
0.445
0.435
0.5
5/16
18
22
0.218
0.198
0.525
0.515
0.625
3/8
16
20
0.26
0.24
0.6
0.585
0.75
7/16
14
18
0.302
0.282
0.71
0.695
0.875
1/2
12
16
0.343
0.323
0.82
0.8
1
9/16
12
16
0.375
0.245
0.921
0.9
1.25
5/8
11
14
0.417
0.387
1.01
0.985
1.25
3/4
10
12
0.5
0.47
1.2
1.175
1.5
7/8
9
11
0.583
0.553
1.3
1.27
1.75
1
8
10
0.666
0.636
1.48
1.45
2


UNC/ASME HEX BOLT:




Nominal diameter
(d)
ds
s
k
b
max
min
max
min
max
min
L≤6
L>6
1/4
0.26
0.237
0.438
0.425
0.188
0.15
0.75
1
5/16
0.324
0.298
0.5
0.484
0.235
0.195
0.875
1.125
3/8
0.388
0.36
0.562
0.544
0.268
0.226
1
1.25
7/16
0.452
0.421
0.625
0.603
0.316
0.272
1.125
1.375
1/2
0.515
0.482
0.75
0.725
0.364
0.302
1.25
1.5
5/8
0.642
0.605
0.938
0.905
0.444
0.378
1.5
1.75
3/4
0.768
0.729
1.125
1.088
0.524
0.455
1.75
2
7/8
0.895
0.852
1.312
1.269
0.604
0.531
2
2.25
1
1.022
0.976
1.5
1.45
0.7
0.591
2.25
2.5


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