Sinoars PD partially threaded studs have a full diameter weld base α, to make grater weld strength then Sinoars RD studs. It's according to standard ISO 13918, type PD.
Materials: PD studs are available in low carbon steel 4.8, stainless steel SUS304 A2-50 and SS316L A2-70. Otherr material are available upon request.
Threads: All Sinoars PD studs meet the accuracy of 6G.
Flux: All Sinoars PD studs grater than dia. 6mm have a aluminium flux.
PD Type Drawn Arc Partially Threaded Stud
Before Welding
After Welding
d1
d2 ± 0,1
d3
h4
α ± 7°
l1 ± 1
l2
15
20
25
30
35
40
45
50
55
60
65
70
80
100
140
150
160
M6
5.35
8.5
3.5
140°
l2 + 2.1
y + 2P b
9 -
9 -
9 -
9 -
- 20
- 20
- 20
- 20
- 20
- 20
- -
- -
- -
- -
- -
- -
- -
Dimensions of partially threaded stud (PD)
Dimensions in milimeters (mm)
When inquiring or ordering, specify type, material, diameter, length after weld (LAW), quantity, ferrule type, terms.
Exemple: RD, 4.8, M8 X 75, 50,000pieces, RF8 ferrule, FOB China.
M24
22.05
30
10
140°
l2 + 2.1
y + 2P b
- -
- -
- -
- -
- -
- -
- -
20 -
- -
- -
- -
- 50
- 50
- 70
- 70
- 100
- 100
M8
7.19
10
3.5
140°
l2 + 2.2
y + 2P b
- -
9 -
9 -
9 -
9 -
9 -
9 -
- 40
- 40
- 40
- 40
- -
- -
- -
- -
- -
- -
M10
9.03
12.5
4
140°
l2 + 2.3
y + 2P b
- -
9.5 -
9.5 -
9.5 -
9.5 -
9.5 -
9.5 -
- 40
- 40
- 40
- 40
- 40
- 40
- 40
- 80
- 80
- 80
M12
10.86
15.5
4.5
140°
l2 + 2.8
y + 2P b
- -
- -
11.5 -
11.5 -
11.5 -
11.5 -
11.5 -
- 40
- 40
- 40
- 40
- 40
- 40
- 40
- 40
- 80
- 80
M16
14.6
19.5
6
140°
l2 + 3.5
y + 2P b
- -
- -
- -
13.5 -
13.5 -
13.5 -
13.5 -
13.5 -
- 40
- 40
- 40
- 50
- 50
- 80
- 80
- 80
- 80
M20
18.38
24.5
7
140°
l2 + 3.8
y + 2P b
- -
- -
- -
- -
15.5 -
15.5 -
15.5 -
- 35
- 40
- 40
- 40
- 50
- 50
- 70
- 70
- 70
- 70
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