Tapped Full Base Arc Weld Studs On Midwest Fasteners, Inc.

D	Min. L	TD	TL*	Max. FD	Max. FH	Ferrule Code
1/4	9/16	8-32	1/4	0.359	0.109	F250
5/16	21/32	10-24	9/32	0.437	0.109	F312
3/8	13/16	1/4-20	3/8	0.500	0.125	F375
7/16	29/32	5/16-18	15/32	0.578	0.140	F437
1/2	1-1/32	3/8-16	9/16	0.625	0.156	F500
5/8	1-9/32	3/8-16	9/16	0.625	0.156	F500
3/4	1-3/8	1/2-13	3/4	0.937	0.250	F750
7/8	1-5/8	5/8-11	15/16	1.093	0.312	F875

* Maximum standard tap depth equals 1-1/2 times tap diameter.

Materials
Low Carbon Steel

C - 0.23% max.	P - 0.04% max.
Mn - 0.90% max.	S - 0.05% max.

Stainless Steel
AISI grade - 302/304/305 std.
Other grades available upon request.

Mechanical Properties
Low Carbon Steel
Tensile - 60,000 psi (min.)
Yield - 50,000 psi (min.)
Elongation - 20% (in 2 inches)

Stainless Steel
Values for various grades available upon request.

Plating
Low Carbon Steel
Plating is not standard.
Copper, nickel, and zinc available upon customer request.

Stainless Steel
Does not apply to Stainless.

Ferrules
Ferrules are component parts of studs. Not sold separately.

Taps
Standard tap is UNC-2B, other taps are available.

Compliances & Standards
MIL-S-24149 (Military Specification: Studs, Welding and Arc Shields (Ferrules)

Please click the Request Information button to configure your Tapped Full Base Arc Weld Studs.

Unit of Measure

Ferrules

N/A

Code	B	D	E	M	Part No.
F250	0.380	0.455	0.156	0.390	092 0005 06
F312	0.445	0.578	0.156	0.390	092 0005 07
F375	0.505	0.640	0.156	0.390	092 0005 08
F437	0.585	0.703	0.188	0.422	092 0005 09
F500	0.650	0.795	0.188	0.438	092 0005 10
F625	0.785	1.030	0.188	0.516	092 0005 11
F750	1.030	1.218	0.188	0.656	092 0005 12
F875	1.203	1.406	0.188	0.732	092 0005 13