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Tapped Studs
STUD SPECIFICATIONS
Tap Minimum Length  
C B D=1/2
Max 		D=
5/8to3/4		 D=7/8
Over 		Fillet Stud Dia.
D
E F
8-32 1/4 9/16 5/8 11/16 23/64 7/64 1/8
10-24 9/32 21/32 22/32 25/32 7/16 7/64 5/16
1/4-20 3/8 13/16 7/8 15/16 1/2 1/8 3/8
5/16-18 15/32 28/32 31/32 1 1/32 19/32 9/64 7/16
3/8-16 9/16 1 1/32 1 7/64 1 5/32 11/16 5/32 1/2
7/16-14 21/32   1 9/32 1 11/32 7/8 3/16 5/8
1/2-13 3/4   1 3/8 1 7/16 1 1/16 1/4 3/4
5/8-11 15/16   1 5/8 1 11/16 1 1/8 5/16 7/8
3/4-10 1.125     2 1 3/8 3/8 1
FERRULE SPECIFICATIONS
No J K G M
FF-025 .455 .380 .234 .390
FF-031 .578 .455 .234 .390
FF-037 .640 .505 .234 .390
FF-043 .703 .585 .234 .422
FF-050 .795 .650 .250 .438
FF-062 1.030 .785 .328 .516
FF-075 1.215 1.030 .469 .656
FF-087 1.408 1.210 .545 .732
FF-100 1.610 1.406 .633 .820

HOW TO DETERMINE
BEFORE WELD (BW) LENGTH

First establish the standing length of the stud after weld (AW).

Based on the diameter of the stud, include the following additional length before weld (BW).

Diameters up through 9/16" add 1/8"
Diameters from 5/8" through 7/8" add 3/16"
Diameters 1" through 1 1/4" add 1/4"



HOW TO ORDER

Specify base diameter, finished length before weld (BW) length, tap size, tap depth and type of material.

EXAMPLE

5/8 x 1-1/4" (BW) Tapped Stud (TS) with a 3/8-16 x 7/16 tap, mild steel
 

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