Weld Studs Manufacturer
MT.BOLTS manufactures high-performance Weld Studs, which are metal fasteners designed to be permanently attached to a base material through welding. Typically featuring a threaded end and a weldable base, these studs provide strong, reliable fastening solutions for applications where traditional through-hole bolting is not feasible. MT.BOLTS offers a wide variety of weld studs in various materials, thread types, and sizes for use in structural, industrial, marine, and OEM applications.
- System of Measurement:
- Metric: M6 – M24
- Imperial: 1/4″ to 1″
- Length Range:
- Metric: 20 mm – 300 mm
- Imperial: 3/4″ – 12″
- Thread Pitch:
- Metric: Coarse (default), Fine optional
- Imperial: UNC, UNF
- Thread Type:
- Right-hand (standard)
- Left-hand (optional)
- Stud Types:
- Arc Weld Stud (Full Threaded or Partial Threaded)
- Capacitor Discharge (CD) Weld Stud
- Shear Connector Stud
- Insulation Fastener Stud
- Collar Stud
- Flanged or Non-Flanged Studs
Weld Studs Material Types
MT.BOLTS supplies carbon steel, stainless steel, duplex steel, and nickel-based alloy Weld Studs, meeting the demanding requirements of chemical, marine, and high-temperature environments, compliant with various international standards.
| Material Category | Common Grades/Models | Description |
| Carbon Steel | ASTM A307, A325, A490 | High strength and cost-effective, suitable for general structures; requires anti-corrosion coating. |
| Stainless Steel | 304 (A2), 316 (A4), 321, 410 | Excellent corrosion resistance; widely used in food, chemical, and construction industries |
| Duplex Stainless Steel | UNS S31803/S32205 (F51), UNS S32750 (F53) | High strength with superior chloride corrosion resistance; used in seawater, petrochemical, and paper industries |
| Monel Alloys | Monel 400, Monel K500 | Excellent seawater corrosion resistance and mechanical strength; used in marine engineering and pump systems |
| Hastelloy Alloys | Hastelloy C276, C22, B2, X | Excellent resistance to strong acids and oxidizing media; widely used in chemical equipment and flue gas desulfurization |
| Inconel Alloys | Inconel 600, 625, 718 | Resistant to high temperature, pressure, and corrosion; used in heat exchangers, aerospace, and nuclear industries |
| Incoloy Alloys | Incoloy 800, 825, 925 | Ideal for high-temperature acidic environments; widely used in petroleum refining and heat treating systems |
| Nickel Alloys | Nickel 200, 201 | Pure or high-nickel alloys with excellent conductivity and alkali resistance; used in electronics and chemical applications |
Weld Studs System of Measurement
Metric Sizes: M6 – M24
Imperial Sizes: 1/4″ – 1″
Length Range:
Metric: 20 mm – 300 mm
Imperial: 3/4″ – 12″
Thread Pitch:
Metric: Coarse (standard), Fine available
Imperial: UNC, UNF
Thread Direction:
Right-hand (standard)
Left-hand optional
Weld Studs Common Standards
AWS D1.1 / D1.6 – Structural welding codes for carbon & stainless steel
ISO 13918 – Welding studs specifications (e.g., types SD, RD, PD, UD)
DIN 32501 / 32506 – German standard for stud welding
ASTM A108 / A276 / A493 – Bar stock used for manufacturing
Custom / OEM specifications available
Weld Studs Surface Finishes
| Surface Finish | Description |
| Plain (Uncoated) | No coating, suitable for stainless steel or indoor use |
| Zinc Plated | Economical corrosion protection, available in clear or yellow zinc |
| Hot-dip Galvanized | Thick zinc coating for outdoor structures, wind towers, and bridges |
| Black Oxide | Attractive appearance, mild corrosion resistance; used in machinery and vehicles |
| PTFE / Xylan Coated | Excellent anti-corrosion, anti-seize, and wear resistance; ideal for chemical environments |
| Passivated | For stainless steel only; enhances natural corrosion resistance |
Why Choose MT.BOLTS
- Material Diversity
- Standardized Production
- Ample Inventory
- Competitive Pricing
- Low-MOQ Customization
Benefits and Limitations of Weld Studs
Benefits:
Permanent, high-strength fastening solution
No need for holes or tapping – saves assembly time
Ideal for blind-side installations and one-sided access
Compatible with stud welding equipment (arc / capacitor discharge)
Suitable for steel structures, enclosures, ships, automotive
Limitations:
Requires access to welding equipment
Not suitable for thin or highly heat-sensitive base materials
Surface cleanliness and grounding are critical for weld quality
Send Us A Message
Weld Studs Applications
Steel Fabrication – Bridge, tower, or frame components
Shipbuilding & Offshore – Bulkhead insulation hangers, support brackets
Automotive & Rail – Component anchoring in chassis, interiors
Electrical Cabinets – Mounting panels, grounding, and insulation holders
Construction – Embed plates, shear connectors, reinforcement anchors
Appliances & HVAC – Fastening of internal parts, covers, or ducting
FAQ About Weld Studs
Low carbon steel, 304/316 stainless steel, and aluminum are common choices.
Stud welding methods include arc stud welding (ARC), capacitor discharge (CD), and short-cycle arc welding.
Yes, we supply ceramic ferrules, chuck collets, and other accessories for full weld stud systems.
Base material should be clean, properly grounded, and compatible in composition. Use qualified equipment and procedures.
Absolutely. MT.BOLTS can produce custom-headed or flanged weld studs for insulation pins, heavy-duty shear connectors, and more.
Related Products
17-4 PH Stainless Steel Fasteners
17-4 PH Stainless Steel Fasteners Supplier MT.BOLTS manufactures 17-4 PH stainless steel fasteners using high-quality precipitation-hardening stainless steel. These fasteners
18-8 stainless steel fasteners
18-8 Stainless Steel Fasteners Supplier MT.BOLTS manufactures 18-8 stainless steel fasteners using high-quality austenitic stainless steel grades such as 304,
ASTM A307 Bolts
ASTM A307 Bolts Supplier MT.BOLTS manufactures ASTM A307 carbon steel bolts using high-quality low-carbon steel materials. These bolts offer reliable