Complete Stud Welding

Threaded Internally Weld Studs

Threaded internally weld studs are weld fasteners manufactured with an internal threaded bore, allowing mating hardware to be installed directly into the stud after welding. This design provides a permanent weld attachment while eliminating exposed external threads on the installed assembly.

  • Internal Thread Fastening Design
  • No External Thread Projection
  • Carbon Steel & Stainless Steel Options
  • Designed For ARC Stud Welding Installation

Product Overview

Threaded internally weld studs are weld fasteners manufactured with an internal threaded bore, allowing mating hardware to be installed directly into the stud after welding. This design provides a permanent weld attachment while eliminating exposed external threads on the installed assembly.

Commonly specified for equipment enclosures, fabricated assemblies, panels, structural components, and industrial manufacturing applications, these internal thread weld studs provide a clean fastening interface while maintaining the installation advantages of the ARC stud welding process. Available in carbon steel and stainless steel, they can be supplied in a range of thread sizes and lengths to accommodate diverse engineering requirements.

Threaded Internally Weld Studs Specifications

Product Type: Threaded Internally Weld Studs (TI)
Materials Available: Mild Steel, Stainless Steel
Welding Process: ARC Stud Welding
Thread Standards: UNC-2B, UNF-2B, ISO Metric Class 6H
Standard Thread Type: Imperial Coarse Thread (UNC-2B)
Available Sizes: 1/4"-20 through 1"-8
Ferrule Types: F025-F through F100-F
Foot Assemblies: B-1N, B-2N, B-3N
Grip Assemblies: GN-025 through GN-100
Chuck Assemblies: CN-025 through CN-100
Stainless Options: 302, 304, 310, 316, 321
AWS Standards: AWS D1.1, D1.5, D1.6

Threaded Internally Weld Stud Features

Threaded Internally Weld Studs provide a welded attachment point with internal thread engagement, making them suitable for applications where external stud projection is undesirable or space is limited.

Internal Thread Engagement

The threaded bore accepts mating bolts, screws, or threaded components directly into the stud body. This configuration creates a concealed fastening point while maintaining secure mechanical attachment.

Reduced External Profile

Because the threads are contained within the stud, the installed assembly maintains a cleaner exterior surface compared to externally threaded fastening solutions.

ARC Stud Welding Integration

These internally threaded weld studs are manufactured for installation using the ARC stud welding process and are compatible with matching ferrules, grips, feet, and chuck assemblies.

Multiple Thread Standards

Available in UNC, UNF, and ISO metric thread configurations, these studs can be specified to align with project fastening standards and assembly requirements.

Material Selection Flexibility

Production options include low-carbon steel and stainless steel grades suitable for structural fabrication, industrial equipment, transportation assemblies, and corrosive environments.

Permanent Welded Attachment

Once installed, the stud becomes an integral part of the parent material, creating a durable fastening point without the need for secondary drilling, tapping, or mechanical attachment methods.

Building An Assembly With Hidden Fastening Points?

Internal thread studs provide a clean solution where exposed threads are not preferred. We can help match the appropriate thread size, body length, and material specifications to your production or fabrication requirements.