UD Type Drawn Arc Unthreaded Stud

Before Welding

After Welding

d1

d3

h4

α ± 7°

l1 ± 1

6

8.5

4

140

l2 + 2.4

8

11

4

140

l2 + 2.6

10

13

4

140

l2 + 2.8

12

16

5

140

l2 + 3.4

14.6

18.5

6

140

l2 + 3.9

16

21

7

140

l2 + 3.9

Dimensions of unthreaded stud (UD)

Dimensions in milimeters (mm)

When inquiring or ordering, specify type, material, diameter, length after weld (LAW), quantity, ferrule type, terms. 

Exemple: UD, 4.8, 8 X 45, 50,000pieces, UF8 ferrule, FOB China.