Arc Weld Studs Manufacturer
In industries where every connection counts, whether it’s holding refractory linings inside a furnace or securing structures in a marine environment, the fastening solution has to be more than strong. It has to be proven. That’s where arc weld studs come in.
At Delta Stud Weld, we’ve built our reputation as a trusted arc weld studs manufacturer by pairing high-quality U.S. materials with decades of expertise, responsive customer service, and fast turnarounds. From drawn arc weld studs to custom-engineered refractory anchors, our solutions help oil and gas, forging, marine, and construction industries achieve secure fastening that lasts under pressure.
What Are Arc Weld Studs?
Arc weld studs are fasteners designed to be fused directly to a base metal using the arc welding process. In this technique, an electric arc melts both the tip of the stud and the surface of the base metal. The stud is then pressed into place, creating a bond that is as strong, or stronger, than the surrounding metal.
Compared to drilling, tapping, or bolting, arc studs offer a much faster installation process. The result is a permanent, one-sided weld that requires no backside access, making it ideal for structural steel, refractory anchors, and high-strength fastening needs. Drawn arc weld studs, in particular, are valued for their ability to withstand heavy loads and high temperatures, making them a mainstay in industries where performance cannot be compromised.
Delta Stud Weld’s Expertise in Arc Stud Manufacturing
As a specialized manufacturer, Delta Stud Weld offers a full range of studs, anchors, and hangers designed to meet the challenges of industrial environments. Our catalog includes:
- Stainless steel arc studs: corrosion-resistant and designed for high-moisture or chemically aggressive settings.
- Mild steel arc studs: versatile and cost-effective, widely used in construction and general fabrication.
- Drawn arc weld studs: heavy-duty fasteners built for the toughest structural demands.
We also produce CD studs, rectangular studs, and related accessories, ensuring customers have complete fastening systems engineered for performance. Whether you’re working with refractory linings, marine structures, or fabrication projects, Delta Stud Weld has the expertise to provide the right solution.
Precision Engineering and Quality Standards
At Delta Stud Weld, quality is never left to chance. We’ve enhanced our commitment to Total Quality Management (TQM) and employ Statistical Process Control (SPC) to verify process capability (Cpk) for all key variables. This ensures every arc stud we manufacture performs consistently in the field.
From material purchasing to final packaging, rigorous sampling and inspections ensure studs meet or exceed customer expectations. Material Test Reports (MTRs) are available for every batch, reinforcing our commitment to transparency and traceability.
Benefits of Arc Weld Studs in Industrial Applications
Arc weld studs provide a number of clear advantages in industrial fastening:
- Secure fastening that equals or surpasses the strength of the base metal.
- Corrosion resistance with stainless steel and specialty alloys designed for harsh conditions.
- Simplified assembly since welding requires only one side of the base material.
- Better load distribution and improved thread strength compared to traditional bolts.
- Cost and time efficiency, with faster installation and reduced labor costs.
Simple removal when maintenance or replacement is needed.
Industries We Serve
Delta Stud Weld proudly serves a wide range of industries where reliable fastening is non-negotiable:
- Oil & Gas: Our refractory anchors and arc studs withstand the extreme heat and corrosion found in furnaces, piping, and refinery equipment.
- Forging and Heat Treat: Secure refractory linings and components under punishing thermal cycles.
- Marine and Construction: Dependable fastening in high-moisture and corrosive environments.
- Hardware and Fabrication: General manufacturing and structural projects where speed and reliability matter most.
Water Treatment and Chemical Processing: Studs and anchors built for high-contact environments with moisture and chemicals.
Why Partner with Delta Stud Weld?
Many manufacturers can supply arc weld studs, but at Delta Stud Weld, we go further. Our differentiators include:
- Quick turnarounds to keep your projects moving.
- Customer-focused service with expert guidance at every stage.
- High-quality U.S. materials that guarantee reliability and durability.
- Experienced labor specialists who ensure every stud is engineered to the highest standards.
Although our sister company, Delta Refractories, supplies equipment where our anchors are often used, we remain a distinct and independent entity. Together, the two companies complement each other, but our reputation stands firmly on our own commitment to quality and service.
Request a Quote on Arc Weld Studs Today
Whether you need stainless steel arc studs, mild steel arc studs, or custom drawn arc weld studs, Delta Stud Weld has the expertise and capacity to meet your specifications. Our team is ready to provide fast, reliable service backed by decades of manufacturing excellence.
Contact Delta Stud Weld today to request a quote and experience why leading industries trust us as their go-to arc weld studs manufacturer.
Types of Arc Weld Studs
PD Studs have a pitch diameter weld base. They are available in diameters 1/4" through 1".
| STUD SPECIFICATIONS< | FERRULE SPECIFICATIONS< | |||||||||
|
D< |
MIN L< |
C< |
A< |
Fillet Dimension< |
NO.< |
D< |
B< |
G< |
M< |
|
| E< | F< | |||||||||
| 1/4-20< | 5/8< | .215< | 3/8< | 5/16< | 3/32< | PD250< | .455< | .385< | .125< | .250< |
| 5/16-18< | 43/64< | .275< | 3/8< | 13/32< | 7/64< | PD312< | .535< | .445< | .125< | .250< |
| 3/8-16< | 27/32< | .330< | 3/8< | 15/32< | 7/64< | PD375< | .590< | .505< | .139< | .264< |
| 7/16-14< | 15/16< | .387< | 7/16< | 17/32< | 1/8< | PD437< | .675< | .585< | .173< | .329< |
| 1/2 -13< | 1-1/32< | .448< | 1/2< | 19/32< | 5/32< | PD500< | .740< | .650< | .206< | .362< |
| 5/8-11< | 1-13/64< | .562< | 5/8< | 3/4< | 3/16< | PD625< | .910< | .785< | .277< | .433< |
| 3/4< | 1-1/2< | .680< | .796< | .920< | .250< | PD750< | 1.15< | 1.03< | .339< | .526< |
| 7/8< | 1-3/8< | .798< | .859< | 1.046< | .312< | PD875< | 1.33< | 1.21< | .406< | .593< |
| 1< | 1-1/2< | .913< | .921< | 1.187< | .375< | PD100< | 1.53< | 1.41< | .474< | .661< |
- PD STUDS have a pitch diameter weld base (C). They are available in diameters 1/4" through 1". All orders for studs include required ferrules.
- LENGTH Available in required lengths above recommended standard minimums (L). Length is before weld. Stud diameters 1/2" and below will be approximately 1/8" shorter after welding. 5/8" and above will be approximately 3/16" shorter after welding.
- THREAD Standard thread is UNC2A. Maximum standard thread length is 3 1/2".
- MATERIAL: Low Carbon Steel
- Stainless Steel: Studs are also available in weldable stainless steel. Type 304 is the most commonly used. Other grades of stainless steel available when required.
- ANNEALING: Stud ductility can be increased be annealing to 75 Rockwell B for low carbon steel and 90 Rockwell B for stainless steel.
- FLUX: Studs 1/4" and over are solid fluxed.
FT Studs are available in diameters 1/4" through 1".
| STUD SPECIFICATIONS< | FERRULE SPECIFICATIONS< | ||||||||
|
|
Fillet Dimension< |
|
|||||||
| D< | MIN L< | C< | E< | F< | NO.< | D< | B< | G< | M< |
| 10-24< | 3/4< | .187< | 9/32< | 3/32< | FB187< | .390< | .305< | .234< | .390< |
| 1/4-20< | 3/4< | .187< | 23/64< | 7/64< | FB250< | .454< | .380< | .234< | .390< |
| 5/16-18< | 3/4< | .187< | 25/64< | 7/64< | FB312< | .578< | .445< | .281< | .437< |
| 3/8-16< | 3/4< | .187< | 7/16< | 1/8< | FB375< | .637< | .505< | .281< | .437< |
| 7/16-14< | 7/8< | .187< | 37/64< | 9/64< | FB437< | .703< | .585< | .234< | .422< |
| 1/2-13< | 7/8< | .187< | 19/32< | 5/32< | FB500< | .795< | .650< | .281< | .469< |
| 5/8-11< | 1 7/8< | .187< | 51/64< | 3/16< | FB625< | 1.030< | .785< | .328< | .516< |
| 3/4-10< | 1 1/8< | .187< | 15/16< | 1/4< | FB750< | 1.215< | 1.030< | .469< | .656< |
| 7/8-9< | 1 1/2< | .375< | 1 3/32< | 5/16< | FB875< | 1.408< | 1.210< | .545< | .732< |
- FT STUDS are available in diameters 1/4" through 1". All orders for studs include required ferrules.
- LENGTH Available in required lengths above recommended standard minimums (L). Length is before weld. Stud diameters 1/2" and below will be approximately 1/8" shorter after welding. 5/8" and above will be approximately 3/16" shorter after welding.
- THREAD Standard thread is UNC2A. Maximum standard thread length is 3 1/2".
- MATERIAL: Low Carbon Steel
- Stainless Steel: Studs are also available in weldable stainless steel. Type 304 is the most commonly used. Other grades of stainless steel available when required.
- ANNEALING: Stud ductility can be increased be annealing to 75 Rockwell B for low carbon steel and 90 Rockwell B for stainless steel.
- FLUX: Studs 1/4" and over are solid fluxed.
FB Studs are available in diameters 1/4" through 1".
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
|
Fillet Dimension |
|
||||||||
| D | MIN L | C | E | F | NO. | D | B | G | M | D |
| 10-24 | 25/32 | 3/16 | .187 | 9/32 | 3/32 | FB135 | .390 | .305 | .234 | .390 |
| 1/4-20 | 25/32 | 1/4 | .187 | 23/64 | 7/64 | FB250 | .455 | .380 | .234 | .390 |
| 5/16-18 | 25/32 | 5/16 | .250 | 7/16 | 7/64 | FB310 | .578 | .445 | .234 | .390 |
| 3/8-16 | 25/32 | 3/8 | .265 | 1/2 | 1/8 | FB370 | .640 | .505 | .234 | .390 |
| 7/16-14 | 25/32 | 7/16 | .281 | 19/32 | 9/64 | FB430 | .730 | .585 | .234 | .422 |
| 1/2-13 | 13/16 | 1/2 | .296 | 11/16 | 5/32 | FB500 | .795 | .650 | .250 | .438 |
| 5/8-11 | 31/32 | 5/8 | .359 | 7/8 | 3/16 | FB620 | 1.030 | .785 | .328 | .516 |
| 3/4-10 | 1 15/64 | 3/4 | .500 | 1 1/16 | 1/4 | FB750 | 1.215 | 1.030 | .469 | .656 |
| 7/8-9 | 1 1/2 | 7/8 | .625 | 1 3/8 | 5/16 | FB870 | 1.408 | 1.210 | .545 | .732 |
| 1-8 | 1 41/64 | 1 | .750 | 1 3/8 | 3/8 | FB1000 | 1.610 | 1.406 | .633 | .820 |
RB Studs have a reduced weld base. They are available in diameters 1/4" through 1".
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
|
Fillet Dimension |
|
||||||||
| D | MIN L | C | MIN A | E | F | NO. | D | B | G | M |
| 1/4-20 | 7/8 | .187 | .187 | .281 | .109 | FB187 | .455 | .380 | .265 | .39 |
| 5/16-18 | 7/8 | .215 | .187 | .390 | .109 | FB275 | .578 | .445 | .281 | .437 |
| 3/8-16 | 7/8 | .275 | .250 | .437 | .125 | FB312 | .590 | .505 | .125 | .250 |
| 1/2-13 | 1 | .330 | .250 | .593 | .156 | FB437 | .740 | .650 | .125 | .281 |
| 5/8-11 | 1 1/8 | .448 | .312 | .687 | .156 | FB500 | .875 | .785 | .174 | .328 |
| 3/4-10 | 1 1/8 | .562 | .375 | .812 | .187 | FB625 | 1.03 | .785 | .328 | .516 |
TF TAPPED STUDS are internally threaded studs available in diameters 1/4" through 1", and in internal thread diameters from #8-32 through 3/4 10. All orders for studs include required ferrules.
LENGTH Available in required lengths above recommended standard minimums (L). Length is before weld. Stud diameters (D) 1/2" and below will be approximately 1/8" shorter after welding. 5/8" and above will be approximately 3/16" shorter after welding.
THREAD Standard thread is UNC2A. Maximum standard thread length is 1 1/2".
MATERIAL: Low Carbon Steel Stainless Steel: Studs are also available in weldable stainless steel. Type 304 is the most commonly used. Other grades of stainless steel available when required.
PLATING: If plated studs are required, cadmium, zinc and nickel are used to ASTM specifications A165 Type TS, A164 Type RS and B-456. Welding end of stud is not plated to prevent welding contamination. Information on other plating materials available upon request.
FLUX: TR Studs are solid fluxed.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
| STUD DIA. D |
Tap |
MIN L |
Fillet Dimension |
NO. |
J |
K |
G |
M |
||
| C | B | E | F | |||||||
| 1/4 | 8-32 | 1/4 | 9/16 | .359 | .109 | FB250 | .455 | .380 | .234 | .390 |
| 5/16 | 10-32 | 9/32 | 9/16 | .437 | .109 | FB310 | .578 | .445 | .234 | .390 |
| 3/8 | 1/4-20 | 3/8 | 3/4 | .500 | .125 | FB370 | .640 | .505 | .234 | .390 |
| 7/16 | 5/16-18 | 15/32 | 7/8 | .578 | .140 | FB430 | .703 | .585 | .234 | .422 |
| 1/2 | 3/8-16 | 9/16 | 1 | .625 | .156 | FB500 | .795 | .650 | .250 | .438 |
| 5/8 | 7/16-14 | 21/32 | 1 1/4 | .796 | .187 | FB620 | 1.030 | .785 | .328 | .516 |
| 3/4 | 1/2-13 | 3/4 | 1 1/4 | .937 | .250 | FB750 | 1.215 | 1.030 | .469 | .656 |
| 7/8 | 5/8-11 | 15/16 | 1 1/2 | 1.093 | .312 | FB870 | 1.408 | 1.210 | .545 | .732 |
TF TAPPED STUDS are internally threaded studs available in diameters 1/4" through 1", and in internal thread diameters from #8-32 through 3/4 10. All orders for studs include required ferrules.
LENGTH Available in required lengths above recommended standard minimums (L). Length is before weld. Stud diameters (D) 1/2" and below will be approximately 1/8" shorter after welding. 5/8" and above will be approximately 3/16" shorter after welding.
THREAD Standard thread is UNC2A. Maximum standard thread length is 1 1/2".
MATERIAL: Low Carbon Steel Stainless Steel: Studs are also available in weldable stainless steel. Type 304 is the most commonly used. Other grades of stainless steel available when required.
PLATING: If plated studs are required, cadmium, zinc and nickel are used to ASTM specifications A165 Type TS, A164 Type RS and B-456. Welding end of stud is not plated to prevent welding contamination. Information on other plating materials available upon request.
FLUX: TR Studs are solid fluxed.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
D |
G |
A |
MIN L |
Tap |
NO. |
D |
B |
G |
M |
|
| C | B | |||||||||
| 3/8 | .250 | 7/16 | 1 1/2 | 14-20 | 3/8 | FB250 | .455 | .380 | .125 | .250 |
| 1/2 | .375 | 7/16 | 1 1/2 | 3/8-16 | 9/16 | FB375 | .675 | .585 | .125 | .250 |
| 5/8 | .437 | 1/2 | 1 1/2 | 7/16-14 | 21/32 | FB437 | .740 | .650 | .125 | .281 |
| 3/4 | .500 | 1/2 | 1 1/2 | 1/2-13 | 3/4 | FB500 | .875 | .785 | .174 | .328 |
| 7/8 | .625 | 5/8 | 2 | 5/8-11 | 15/16 | FB625 | 1.030 | .921 | .187 | .375 |
| 1 | .750 | 5/8 | 2 1/2 | 3/4-10 | 1 | FB750 | 1.203 | 1.043 | .187 | .375 |
NT STUDS are available in diameters 3/16" through 1". All orders for studs include required ferrules.
LENGTH Available in required lengths above recommended standard minimums (L). Length is before weld. Stud diameters 1/2" and below will be approximately 1/8" shorter after welding. 5/8" and above will be approximately 3/16" shorter after welding.
MATERIAL: Low Carbon Steel
Stainless Steel: Studs are also available in weldable stainless steel. Type 304 is the most commonly used. Other grades of stainless steel available when required.
ANNEALING: Stud ductility can be increased be annealing to 75 Rockwell B for low carbon steel and 90 Rockwell B for stainless steel.
FLUX: Studs 1/4" and over are solid fluxed.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||
|
D |
MIN L |
Fillet Dimension |
NO. |
D |
B |
G |
M |
|
| E | F | |||||||
| 3/16 | 3/4 | .281 | .093 | FB187 | .390 | .305 | .234 | .390 |
| 1/4 | 3/4 | .359 | .109 | FB250 | .455 | .380 | .234 | .390 |
| 5/16 | 3/4 | .437 | .109 | FB312 | .578 | .445 | .234 | .390 |
| 3/8 | 3/4 | .500 | .125 | FB375 | .640 | .505 | .234 | .390 |
| 7/16 | 3/4 | .578 | .140 | FB437 | .703 | .585 | .234 | .422 |
| 1/2 | 7/8 | .627 | .156 | FB500 | .795 | .650 | .250 | .438 |
| 5/8 | 1 | .796 | .187 | FB625 | 1.030 | .785 | .328 | .516 |
| 3/4 | 1 3/8 | .937 | .250 | FB750 | 1.215 | 1.030 | .469 | .656 |
| 7/8 | 1 1/2 | 1.093 | .312 | FB875 | 1.408 | 1.210 | .545 | .732 |
| 1 | 1 1/2 | 1.312 | .375 | FB1000 | 1.610 | 1.406 | .633 | .820 |
B-NT Arc Studs
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
D |
Min. L |
Min. Y |
Min. R |
Fillet Dimension | Ferrule No. |
D |
B |
F |
M |
|
| E | F | |||||||||
| 3/8 | 1 1/2 | 1 17/32 | .218 | .500 | .125 | FB370 | .640 | .505 | .234 | .390 |
| 1/2 | 1 3/4 | 1 11/16 | .250 | .627 | .156 | FB500 | .795 | .650 | .250 | .438 |
| 5/8 | 1 7/8 | 2 | .312 | .796 | .187 | FB620 | 1.030 | .785 | .328 | .516 |
| 3/4 | 2 3/4 | 2 13/16 | .500 | .937 | .250 | FB750 | 1.215 | 1.030 | .469 | .656 |
| 7/8 | 3 1/2 | 3 3/8 | .500 | 1.093 | .312 | FB875 | 1.408 | 1.210 | .545 | .732 |
CK Collar Studs are threaded studs with a collar separating the weld base and the thread.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
| D | STD. B | MIN L | C | E | H | NO. | D | B | G | M |
| 1/4 | .375 | .500 | .215 | .500 | .093 | CL250 | .875 | .785 | .110 | .235 |
| 5/16 | .375 | .500 | .275 | .562 | .093 | CL312 | .875 | .785 | .095 | .235 |
| 3/8 | .500 | .500 | .330 | .625 | .109 | CL375 | .875 | .785 | .095 | .235 |
| 1/2 | .625 | .593 | .448 | .750 | .140 | CL500 | 1.030 | .921 | .125 | .250 |
SB Shoulder Studs are threaded studs with a weld base diameter greater than the thread diameter.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
|
Fillet Dimension |
|
||||||||
| D | MIN L | C | A | E | F | NO. | D | B | G | M |
| 1/4 | .312 | 8-32 | .437 | .359 | .109 | FB250 | .455 | .380 | .234 | .390 |
| 5/16 | .375 | 10-24 | .500 | .437 | .109 | FB312 | .578 | .445 | .234 | .390 |
| 3/8 | .375 | 1/4-20 | .750 | .500 | .125 | FB375 | .640 | .505 | .234 | .390 |
| 7/16 | .437 | 5/16-18 | .875 | .578 | .140 | FB437 | .703 | .585 | .234 | .422 |
| 1/2 | .500 | 3/8-16 | 1.000 | .627 | .156 | FB500 | .795 | .650 | .250 | .438 |
| 5/8 | .625 | 1/2-13 | 1.250 | .796 | .187 | FB625 | 1.030 | .785 | .328 | .516 |
| 3/4 | .625 | 5/8-11 | 1.625 | .937 | .250 | FB750 | 1.215 | 1.030 | .469 | .656 |
| 7/8 | .750 | 3/4-10 | 1.875 | 1.093 | .312 | FB875 | 1.408 | 1.210 | .545 | .732 |
SB-NT Shoulder Studs are studs with a weld base diameter greater than the extension.
| STUD SPECIFICATIONS | FERRULE SPECIFICATIONS | |||||||||
|
D |
MIN L |
ED |
EL |
Fillet Dimension |
NO. |
D |
B |
G |
M |
|
| E | F | |||||||||
| 5/16 | 3/8 | 3/16 | 3/16 | .437 | .109 | FB312 | 578 | .445 | .234 | .390 |
| 3/8 | 3/8 | 3/16 | 3/16 | .500 | .125 | FB375 | .640 | .505 | .234 | .390 |
| 1/2 | 1/2 | 3/8 | 45/64 | .627 | .156 | FB500 | .795 | .650 | .250 | .438 |
Knurled Arc Studs
| STUD SPECIFICATION | FERRULE SPECIFICATION | ||||||
| D | L | KD | FERRULE CODE | B | D | G | M |
| 5/16 | 1" | 0.327 | FB312 | 0.445 | 0.578 | 0.234 | 0.390 |
SC Connector Studs are designed to effectively tie the concrete to the steel beams.
| 3/4" DIAMETER SHEAR CONNECTOR | ||||||||
|
Stud Specifications |
Ferrule Specifications | |||||||
| D | H | A | Type | NO. | D | B | F | M |
|
3/4 |
1 1/4 |
3/8 |
Flat Surface |
FB750 |
1.215 |
1.030 |
.469 |
.656 |
| Weld Thru Deck |
WT750 |
|
|
|
|
|||
| 7/8" DIAMETER SHEAR CONNECTOR | ||||||||
|
Stud Specifications |
Ferrule Specifications | |||||||
| D | H | A | Type | NO. | D | B | F | M |
|
7/8 |
1 3/8 |
3/8 |
Flat Surface |
FB875 |
4.108 |
1.210 |
.545 |
.732 |
|
|
|
|
|
|
|
|||
HA Anchor Studs are designed for welding to flat surfaces or welding in the fillet or to the heel of angles.
| STUD SPECIFICATION | FERRULE CODE | ||||||
| D | A | H | NO. | D | B | F | M |
| 1/4 | .187 | .500 | FB250 | .454 | .380 | .234 | .390 |
| 3/8 | .281 | .750 | FB375 | .640 | .505 | .234 | .390 |
| 1/2 | .312 | 1.000 | FB500 | .795 | .650 | .250 | .438 |
| 5/8 | .312 | 1.250 | FB625 | 1.030 | .785 | .328 | .516 |
Frequently Asked Questions About Arc Weld Studs
Choosing the right fastening solution often comes down to the details. To help you better understand how arc weld studs perform in different applications, we’ve answered some of the most common questions we hear from engineers, fabricators, and procurement teams.
What sizes are arc weld studs available in?
Arc weld studs come in a wide range of diameters and lengths, from small threaded studs used in light fabrication to large heavy-duty studs for structural applications. Custom sizing is also available for specialized projects.
Can arc weld studs be used on coated or painted surfaces?
For the best results, arc weld studs should be welded directly to clean, bare metal. Coatings or paint can interfere with the weld, but surface prep is usually quick and ensures a stronger, longer-lasting bond.
Are arc weld studs compatible with automated welding systems?
Yes! Arc weld studs are commonly used with automated and robotic welding systems. This makes them an efficient choice for high-volume production environments where consistency is essential.
Need Arc Accessories?
DSW, Inc. carries a wide range of stud welding accessories including, chucks, ferrules, grips, collets, and connectors.
Need CD Accessories?
DSW, Inc. carries a wide range of stud welding accessories including, chucks, ferrules, grips, collets, and connectors.