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Home Product M4×18 Welding Nails - Heavy Duty Metal Fasteners for Steel Structures & Automotive Assembly
Welding nails M4*18

M4×18 Welding Nails - Heavy Duty Metal Fasteners for Steel Structures & Automotive Assembly

Welding nails M4x18
M4x18 welding studs
Threaded welding nails M4x18
Welding nails M4*18
Welding nails M4x18, heavy-duty M4x18 welding studs with full thread for secure metal fastening. Threaded welding nails M4x18 feature stainless steel construction, ISO compliant design, and high-temperature resistance for welding applications.
Categories:Fasteners & Fixings
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Product Description

The Welding nails M4x18, also known as M4x18 welding studs or Threaded welding nails M4x18, are precision fasteners designed for industrial joining applications. These studs feature an M4 thread diameter (4mm) and a length of 18mm, optimized for secure metal-to-metal fusion in high-stress environments. They operate within a standard temperature range of -40°C to +200°C, compatible with arc welding systems using 18-32V DC input. Primarily used in automotive manufacturing, shipbuilding, and structural steelwork, these welding nails offer exceptional tensile strength (up to 800 MPa) and corrosion resistance due to carbon steel construction with zinc plating. Advantages include rapid installation and vibration resistance, though they require specialized welding equipment for proper attachment. The compact 18mm length ensures material economy while maintaining sufficient thread engagement depth for heavy-duty applications.
Parameter Specification
Product Designation Welding nails M4x18
Thread Size M4 (Metric Coarse Thread)
Shank Diameter 4.0 mm
Total Length 18 mm ±0.3
Threaded Length 10 mm
Base Diameter 7.5 mm
Material Grade Carbon Steel (ISO 898-1 Class 4.8)
Surface Treatment Zinc Plated (5-8µm)
Weld Current Range 800-1200 A (CD Welding)
Shear Strength 2100 N minimum
Torque Resistance 6.8 N·m
Standards Compliance ISO 13918, DIN 32502
question:Can you assist with technical product selection?
answer:Yes, we provide expert technical support to help you choose the best product solutions.
question:What is your product warranty policy?
answer:Our warranty covers defects for 12 months from delivery. Contact us for repair or replacement.
question:Why are product labels removed upon delivery?
answer:Labels are removed per regional compliance. Product quality and specs remain unaffected.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can you assist with technical product selection?
answer:Yes, we provide expert technical support to help you choose the best product solutions.
question:What is your product warranty policy?
answer:Our warranty covers defects for 12 months from delivery. Contact us for repair or replacement.
question:Why are product labels removed upon delivery?
answer:Labels are removed per regional compliance. Product quality and specs remain unaffected.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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