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1.GB /T 70.1 - 2008 Hexagon Socket Head Cap Screws
Screw Thread d
(M14)
M16
M20
M24
M30
M36
M42
M48
M56
M64
P
Pitch
b
dk
max
For plain head
For knurled heads
min
k
max
min
s
Nominal Size
max
min
t
min
2
2
2.5
3
3.5
4
4.5
5
5.5
6
40
44
52
60
72
84
96
108
124
140
21
24
30
36
45
54
63
72
84
96
21.33
24.33
30.33
36.39
45.39
54.46
63.46
72.46
84.54
96.54
20.67
23.67
29.67
35.61
44.61
53.54
62.54
71.54
83.46
95.46
14.00
16.00
20.00
24.00
30.00
36.00
42.00
48.00
56.00
64.00
13.57
15.57
19.48
23.48
29.48
35.38
41.38
47.38
55.26
63.26
12
14
17
19
22
27
32
36
41
46
12.212
14.212
17.23
19.275
22.275
27.275
32.33
36.33
41.33
46.33
12.032
14.032
17.05
19.065
22.065
27.065
32.08
36.08
41.08
46.08
7
8
10
12
15.5
19
24
28
34
38
Weight of per 1000 steel products(≈kg)
-
-
-
-
-
-
-
-
-
-
Screw Thread d
M1.6
M2
M2.5
M3
M4
M5
M6
M8
M10
M12
P
Pitch
b
dk
max
For plain head
For knurled heads
min
k
max
min
s
Nominal Size
max
min
t
min
0.35
0.4
0.45
0.5
0.7
0.8
1
1.25
1.5
1.75
15
16
17
18
20
22
24
28
32
36
3
3.8
4.5
5.5
7
8.5
10
13
16
18
3.14
3.98
4.68
5.68
7.22
8.72
10.22
13.27
16.27
18.27
2.86
3.62
4.32
5.32
6.78
8.28
9.78
12.73
15.73
17.73
1.60
2.00
2.50
3.00
4.00
5.00
6.00
8.00
10.00
12.00
1.46
1.86
2.36
2.86
3.82
4.82
5.7
7.64
9.64
11.57
1.5
1.5
2
2.5
3
4
5
6
8
10
1.580
1.580
2.080
2.580
3.080
4.095
5.140
6.140
8.175
10.175
1.520
1.520
2.020
2.520
3.020
4.020
5.020
6.020
8.025
10.025
0.7
1
1.1
1.3
2
2.5
3
4
5
6
Weight of per 1000 steel products(≈kg)
0.85
-
-
-
-
-
-
-
-
-
2.JIS F 3022 - 1978 Steel Pipe U-Bolts for Ships
Screw Thread d
250
300
350
400
450
500
550
600
650
700
750
800
850
900
R
ds
d
H ①
Type A
Type B
Type C
b ②
Type A
Type B
Type C
B
t
L
P
s
d3
137
163
181
207
233
259
284
310
335
361
387
413
439
464
20
24
24
24
30
30
30
36
36
36
36
42
42
42
M20
M24
M24
M24
M30
M30
M30
M36
M36
M36
M36
M42
M42
M42
300
357
394
444
505
556
606
663
713
764
818
875
926
977
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
60
70
70
70
85
85
85
100
100
100
100
115
115
115
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
75
90
90
90
100
100
100
130
130
130
130
130
150
150
9
10
10
10
13
13
13
12
12
12
15
15
15
15
372
448
484
536
622
675
725
805
855
910
960
1030
1085
1135
294
350
386
438
496
548
598
656
706
758
810
868
920
970
40
50
50
50
55
55
55
70
70
70
70
70
80
80
24
28
28
28
35
35
35
42
42
42
42
48
48
48
Screw Thread d
15
20
25
32
40
50
65
80
90
100
125
150
175
200
225
R
ds
d
H ①
Type A
Type B
Type C
b ②
Type A
Type B
Type C
B
t
L
P
s
d3
12
15
18
23
26
32
40
46
52
59
72
85
98
111
124
10
10
10
10
10
10
12
12
12
16
16
16
16
20
20
M10
M10
M10
M10
M10
M10
M12
M12
M12
M16
M16
M16
M16
M20
M20
-
-
-
-
-
-
-
-
-
141
167
192
218
249
274
39
45
52
60
66
78
98
110
123
-
-
-
-
-
-
47
53
60
68
74
86
108
120
133
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
50
50
50
60
60
20
20
20
20
20
20
25
25
25
-
-
-
-
-
-
30
30
30
30
30
30
35
35
35
-
-
-
-
-
-
40
40
40
40
40
40
50
50
50
65
65
65
65
75
75
5
5
5
5
5
5
6
6
6
8
8
8
8
9
9
82
88
94
104
110
122
152
164
176
202
228
254
280
320
346
34
40
46
56
62
74
92
104
116
134
160
186
212
242
268
22
22
22
22
22
22
30
30
30
35
35
35
35
40
40
12
12
12
12
12
12
15
15
15
19
19
19
19
24
24
3.Applications
Heavy hex bolts can be used for many different applications that include fastening wood, steel, and other construction materials for projects such as docks, bridges, highway structures, and buildings. Heavy hex bolts with forged heads are also commonly used as headed anchor bolts.
Manufacturing
Portland Bolt manufactures heavy hex bolts from 1/2″ diameter through 2-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
