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Home Nut Weld Nut Square Weld Nut
Hexagon weld nut for secure welding and fastening in mechanical assemblies.
Hexagon Weld Nut
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DIN917 Hexagon Cap Nuts
DIN917 Hexagon Cap Nuts, Low Type
Square Weld Nut
Set of three square weld nuts for secure fastening in mechanical and hardware projects.
Square Weld Nut
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Square Weld Nut
Set of three square weld nuts for secure fastening in mechanical and hardware projects.
Square Weld Nut

Square Weld Nut

  1. Permanent anti-rotation welding fasteners
  2. Material: Carbon steel (45#), stainless steel (304), alloy steel (42CrMo); strength grades 4.8–12.9
  3. Structure: Square body + welding boss/groove (for solder penetration) + internal coarse/fine thread
  4. Surface treatments: Black oxide, pickling (pre-welding), zinc plating (post-welding)
  5. Size M3–M36 (matches standard bolts)
Category: Weld Nut
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  • Description
Description

Core features of Square Weld Nut

  1. Square profile: Superior anti-rotation, larger contact area with base material for stable welding positioning
  2. Welding fixation: Permanent integration with substrates, strong shear/tensile strength for heavy-load scenarios
  3. Easy operation: Square sides fit wrenches tightly, convenient for post-welding bolt assembly
  4. Simplified process: No extra anti-loosening parts needed, reduces structural connection steps
  5. Wide application: Ideal for steel structures, machinery, automotive, and equipment requiring permanent stable fastenings

 

Product Parameter (Specification)

StandardDIN,ASTM/ANSI, ISOMaterialCarbon steel, Stainless Steel,Brass,Aluminum
Surface TreatmentZinc Plated, Hop Dip Galvanized(HDG) phosphorization,

Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated

SizeM3-M64
UnitePiece,KGS,TONPackingBulk cartons with pallet, small boxes in cartons with pallet

 

Product Application

Square weld nuts are widely used in automotive, construction, aerospace, and manufacturing, ships, automobile transport machinery, electrical products, ocean industry etc.

 

Square Weld Nut for Furniture Application Scenario Table

Application FieldSpecific ScenariosStandards & GradesKey Considerations
Industrial EquipmentMetal frames, sheet metal assemblies, electrical cabinet bodies, conveyor parts, tool housings.ISO 14589; Carbon steel 4.6/8.8 (zinc-plated), Stainless steel A2-70.Square shape anti-rotation; Welded permanent connection; High grip on steel substrates.
Automotive ManufacturingCar chassis brackets, exhaust system parts, body frame fittings, engine compartment components.ASTM A325; Carbon steel 8.8 (black oxide), Stainless steel A4-80.Vibration-resistant; Corrosion-proof for automotive environments; Firm welding on thick steel.
Construction EngineeringSteel guardrails, curtain wall supports, steel structure auxiliary parts, metal door frames.ISO 14589; Carbon steel 5.6/8.8 (hot-dip galvanized), Stainless steel A4-80.Indoor/outdoor durability; Stable for static loads; Easy welding on structural steel.
Light IndustryMetal storage racks, hardware fittings, sheet metal products, metal furniture frames.ASTM A325; Carbon steel 4.6/5.6, Stainless steel A2-70.Cost-effective for mass production; Compatible with standard bolts; Simple welding operation.

Related products

Hexagon weld nut for secure welding and fastening in mechanical assemblies.
High-quality hexagon weld nut for secure fastening.

Hexagon Weld Nut

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  • Home
  • Products
    • Bolt
      • Hex Bolt
      • Hexagon Socket Screws
      • Carriage Bolt
      • Flange Bolt
      • U Bolt
      • T Bolt
    • Screws
      • Self Tapping Screw
      • Self Drilling Screw
      • Machine screw
      • Wood screw
      • Chipboard screw
      • Set Screw
    • Nut
      • Hex Nut
      • Flange Nut
      • Cap Nut
      • Lock Nut
      • Coupling Nut
      • Square Nut
      • Wing Nut
      • Tee Nut
      • Weld Nut
    • Washer
      • Flat washer
      • Lock washer
      • Bowl Type Washer
    • Thread Rod
      • Full Thread rod
      • Stud Bolts
    • Anchor
      • Drop In Anchor
      • Nylon Anchor
      • Sleeve Anchor
      • Wedge Anchor
    • Rivet
      • Blind Rivet
      • Rivet Nut
      • Tubular Rivet Round Rivet
    • Stamping Parts
    • Solar Photovoltaic Accessories
      • Solar Aluminum Profile Nut
      • Solar Aluminum Clamp
      • Solar Bracket
      • Solar Hanger Bolt
      • Solar Roof Hook
    • Customized Products
  • Industries
    • Construction
    • Manufacturing
    • Oil & Gas
    • Solar PV Industry
    • Automotive
    • Marine
  • Markets
    • Canada
    • U.S.A
  • Resources
    • Blog
    • FAQ
  • About us
  • Contact