Stainless Steel Hexagonal Weld Nuts

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: GB/T 13681-1992
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, GB
• Grade: 8.8
• Transport Package: Bag
• Specification: M4-M16
• Trademark: LING KE
• Origin: Yong Nian
• HS Code: 731816
• Production Capacity: 300000/Year
• Package Size: 50.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 50.000kg

Product Description

Stainless steel hexagonal weld nuts are high-performance fasteners engineered for creating permanent, corrosion-resistant connections in metal structures. By combining the structural stability of hexagonal design, the strength of welded joints, and the inherent durability of stainless steel, these nuts are indispensable in industries demanding reliability, longevity, and resistance to harsh environments.

Structural Design & Core Features

Manufacturing & Welding Compatibility

Applications

Hexagonal Profile: The six-sided shape enables secure gripping with standard wrenches or socket tools, facilitating easy installation and precise torque application during assembly. This design ensures consistent tightening, critical for maintaining joint integrity under load.
Weld Projections: Most stainless steel hexagonal weld nuts feature small, raised weld projections (nubs or studs) on their base. These projections concentrate heat during welding, promoting efficient fusion between the nut and the base material (e.g., steel plates, metal frames) while minimizing heat damage to surrounding areas.
Precision Threaded Bore: A uniformly machined internal thread—available in metric (e.g., M3 to M24) or imperial sizes—accommodates bolts, studs, or screws, forming a tight mechanical connection after welding. Thread accuracy ensures compatibility with mating fasteners and prevents loosening under vibration.
Stainless Steel Composition: Crafted from corrosion-resistant stainless steel alloys, such as 304 (A2) (chromium-nickel) for general use or 316 (A4) (chromium-nickel-molybdenum) for enhanced resistance to saltwater, chemicals, and high humidity.

Material Selection: The base material is typically cold-forged or machined from stainless steel coils or bars. 304 stainless steel is preferred for its balance of weldability, strength, and cost-effectiveness, while 316 is chosen for marine, chemical, or high-corrosion environments.
Welding Readiness: The nuts undergo precision forming to ensure weld projections are evenly spaced and sized. This design optimizes heat distribution during resistance welding processes (e.g., projection welding, spot welding), creating a strong, metallurgical bond without compromising the stainless steel's corrosion resistance.
Surface Finish: Unlike carbon steel nuts requiring additional coatings, stainless steel weld nuts naturally resist corrosion due to their chromium oxide passive layer. The surface may be left as-machined (mill finish) or polished for aesthetic or hygiene-sensitive applications (e.g., food processing equipment).

Stainless steel hexagonal weld nuts are widely used across industries requiring durable, corrosion-resistant connections:

Automotive & Transportation: Securing components in undercarriages, exhaust systems, and marine vessels, where salt exposure and vibration demand long-term reliability.
Food & Pharmaceutical Equipment: Assembling stainless steel machinery (e.g., conveyors, tanks) due to hygienic, corrosion-resistant properties that meet regulatory standards (e.g., FDA, EU 10/2011).
Marine & Offshore: Fastening parts in boat hulls, offshore platforms, and coastal infrastructure, resisting saltwater corrosion better than carbon steel alternatives.
Industrial Machinery: Joining frames, brackets, and panels in chemical processing plants, water treatment facilities, and outdoor industrial equipment.
Construction: Installing metal structures in bridges, railings, and architectural features exposed to weather elements.

Packing & Delivery

Bag Packaging

Carton Packaging

Fasteners can be packaged in durable plastic bags, which are available in various sizes to accommodate different quantities (e.g., small batches of screws, nuts, or bolts). The bags are typically sealed by heat or with a zipper to prevent moisture, dust, and loss of contents. This method is lightweight, cost-effective, and suitable for retail sales, small shipments, or situations where easy access to the fasteners is needed. Additionally, clear plastic bags allow for quick visual identification of the products inside.

For larger quantities or bulk transportation, cartons are commonly used. These are sturdy cardboard boxes, often reinforced with corrugated layers to provide protection against impact during handling and shipping. Fasteners in cartons are usually pre-packed in bags or separated by dividers to avoid friction and damage. Cartons can be labeled with product details (e.g., type, size, quantity) and are stackable, optimizing storage and logistics efficiency. This method is ideal for industrial orders, wholesale distribution, or long-distance transportation where durability is a priority.

Company Profile

Company Name

 Hebei LING KE Metal Products Manufacturing Co.has firmly established itself as a leading force in the fastener industry, with a rich history and a commitment to excellence that spans over 10 years. Since its inception, the company has been dedicated to providing high-quality fasteners and comprehensive fastening solutions to a diverse range of industries worldwide.In recent decades, Hebei LING KE Metal Products Manufacturing Co. has expanded its footprint globally, establishing strategic partnerships and distribution centers in key regions around the world. This has allowed the company to better serve its international customer base and meet the growing demand for its products in emerging markets.