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14.6

Arc Stud Welding - Unthreaded Stud - Type UD

ISO 13918 (UD) - 2017

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Screw Thread
d

14.6

d	max
d	min
d₁	Ref.
h	Ref.
L₁	±1

6.1	8.1	10.1	12.1	14.7	16.1
5.9	7.9	9.9	11.9	14.5	15.9
8.5	11	13	16	18.5	21
4	4	4	5	6	7
L2 +2.4	L2 +2.6	L2 +2.8	L2 +3.4	L2 +3.9	L2 +3.9

①,a°≈140°±7°
②,L₂ ≥ 20mm
③,Length L₁ applies to angle 140°only (without tolerance)

Alternative history

ISO 13918(UD) - 1998 ISO 13918(UD) - 2017

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