Our main products include:
---Standard fasteners: Bolts, Threaded Rods, Nuts, Washers, Retaining Rings, Pins, Rivets, Screws, Welds, Thread inserts
---Standards include: ANSI, ISO, DIN, GOST, JIS, BS etc.
---Materials include: Specialty Steel(MP35N, Hastalloy, Inconel, Monel), Stainless Steel, Carbon and Alloy Steel, ASTM A193, Grade B5/B7/B7M/B8/B8M/L7/B16; A194 Grade 2H/2HM
---Coatings include: Blue White Zinc, Yellow Zinc, Black Zinc, Black Oxide, Hot Dip Galvanized, PTFE, Mechanial Galvanized, etc.
---Non-Standard Customization Products According to Drawing
---CNC Machining parts, Casting, Forging, Turning, Milling, Stamping die casting parts
Legend:
d2
- the inner diameter of the ring
b
- length of the thread (at least)
l
- length of bolt
d
- the nominal diameter of the thread
k
- head height
s
- size hex head turnkey
|
Makings:
Steel:
8.8, 10.9
Stainless:
A2
Plastic:
-
Non Ferrous:
-
Thread:
6g
|
Screw Thread
d
|
M5
|
M6
|
M8
|
M10
|
M12
|
M14
|
M16
|
M20
|
|
P
|
Pitch
|
Coarse thread
|
Fine thread-1
|
Fine thread-2
|
b
|
L≤125
|
125
|
L>200
|
c
|
min
|
d
a
|
Form A
|
max
|
Form B
|
max
|
d
c
|
max
|
d
s
|
max
|
min
|
d
u
|
max
|
d
w
|
min
|
e
|
min
|
f
|
max
|
k
|
max
|
k
1
|
min
|
r
1
|
min
|
r
2
|
max
|
r
3
|
min
|
r
4
|
≈
|
s
|
max=nominal size
|
min
|
t
|
max
|
min
|
|
0.8
|
1
|
1.25
|
1.5
|
1.75
|
2
|
2
|
2.5
|
/
|
/
|
1
|
1.25
|
1.5
|
1.5
|
1.5
|
1.5
|
/
|
/
|
/
|
1
|
1.25
|
/
|
/
|
/
|
16
|
18
|
22
|
26
|
30
|
34
|
38
|
46
|
/
|
/
|
28
|
32
|
36
|
40
|
44
|
52
|
/
|
/
|
/
|
/
|
/
|
/
|
57
|
65
|
1
|
1.1
|
1.2
|
1.5
|
1.8
|
2.1
|
2.4
|
3
|
5.7
|
6.8
|
9.2
|
11.2
|
13.7
|
15.7
|
17.7
|
22.4
|
6.2
|
7.4
|
10
|
12.6
|
15.2
|
17.7
|
20.7
|
25.7
|
11.8
|
14.2
|
18
|
22.3
|
26.6
|
30.5
|
35
|
43
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
20
|
4.82
|
5.82
|
7.78
|
9.78
|
11.73
|
13.73
|
15.73
|
19.67
|
5.5
|
6.6
|
9
|
11
|
13.5
|
15.5
|
17.5
|
22
|
9.8
|
12.2
|
15.8
|
19.6
|
23.8
|
27.6
|
31.9
|
39.9
|
8.71
|
10.95
|
14.26
|
16.5
|
17.62
|
19.86
|
23.15
|
29.87
|
1.4
|
2
|
2
|
2
|
3
|
3
|
3
|
4
|
5.4
|
6.6
|
8.1
|
9.2
|
11.5
|
12.8
|
14.4
|
17.1
|
2
|
2.5
|
3.2
|
3.6
|
4.6
|
5.1
|
5.8
|
6.8
|
0.25
|
0.4
|
0.4
|
0.4
|
0.6
|
0.6
|
0.6
|
0.8
|
0.3
|
0.4
|
0.5
|
0.6
|
0.7
|
0.9
|
1
|
1.2
|
0.1
|
0.1
|
0.15
|
0.2
|
0.25
|
0.3
|
0.35
|
0.4
|
3
|
3.4
|
4.3
|
4.3
|
6.4
|
6.4
|
6.4
|
8.5
|
8
|
10
|
13
|
15
|
16
|
18
|
21
|
27
|
7.78
|
9.78
|
12.73
|
14.73
|
15.73
|
17.73
|
20.67
|
26.67
|
0.15
|
0.2
|
0.25
|
0.3
|
0.35
|
0.45
|
0.5
|
0.65
|
0.05
|
0.05
|
0.1
|
0.15
|
0.15
|
0.2
|
0.25
|
0.3
|
|