STUD SPECIFICATIONS
(inches)
D L (min.) C A FILLET DIMENSIONS
E F
1/4 - 20 25/32 1/4 .187 23/64 7/64
5/16 - 18 25/32 5/16 .250 7/16 7/64
3/8 - 16 25/32 3/8 .265 1/2 1/8
7/16 - 14 25/32 7/16 .281 19/32 9/64
1/2 - 13 1 3/16 1/2 .296 11/16 5/32
5/8 - 11 31/32 5/8 .359 7/8 3/16
3/4 - 10 1 15/64 3/4 .500 1 1/16 1/4
7/8 - 9 1 1/2 7/8 .625 1 1/8 5/16
1 - 8 1 41/64 1 .750 1 3/8 3/8


FERRULE SPECIFICATIONS
FERRULE
CODE
D B G M
FF-025 .455 .380 .234 .390
FF-031 .578 .445 .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
APPLICATION Full base studs are used where additional shear strength is required at the weld.
FERRULES

All orders for studs include ferrules.

MATERIAL LOW CARBON STEEL (MS)
ASTM A-108 1010-1020.
STAINLESS STEEL (SS)
18-8.
Other specialized materials available;
please call 866-935-WELD (9353) for more information.
CALCULATING THE CORRECT STUD LENGTH TO ORDER
  1. Determine the after weld (AW) length required.
  2. For stud base diameters add to after weld length
    Up through 9/16" - 1/8"
    From 5/8" through 7/8" - 3/16"
    From 1" through 1-1/4" - 1/4"
HOW TO ORDER

To order, please refer to the drawing above and specify the following:

Full Base: FB
Material
Diameter (C)
Thread Size (D)
Length Before Weld (L)

Example: FB MS - 1/4 - 20 x 2 1/8