Metal Products Specialists

Stainless Steel Fasteners

Overview

Stainless steel fasteners are the most versatile and widely used corrosion-resistant fastening solution. Combining excellent mechanical properties with superior resistance to rust and corrosion, stainless steel fasteners are essential for applications ranging from household appliances to critical infrastructure.

We offer a comprehensive range of stainless steel fasteners in grades 304 (A2) and 316 (A4), as well as other specialty grades for specific applications. All our stainless fasteners meet or exceed international standards.

Material Grades

  • 304 (A2) - General purpose
  • 304L - Low carbon
  • 316 (A4) - Marine grade
  • 316L - Low carbon marine
  • 321 - High temperature
  • 410 - Hardenable

Key Benefits

  • Excellent corrosion resistance
  • Attractive appearance
  • High strength and durability
  • Low maintenance
  • Recyclable material
  • Wide temperature range

Technical Specifications

Tensile Strength 500-700 MPa
Yield Strength 210-450 MPa
Hardness HRB 70-90
Temp Range -196°C to 800°C
Standards ASTM A193 / A194
Finish Plain / Passivated

Popular Products

SS Hex Bolt

304 Stainless Hex Bolt

General-purpose stainless hex bolts for indoor and mild outdoor applications. Excellent corrosion resistance in normal atmospheric conditions.

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SS Machine Screw

316 Machine Screw

Marine-grade machine screws with molybdenum addition for superior chloride resistance. Ideal for coastal and chemical applications.

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SS Nut

Stainless Hex Nut

Matching nuts in both 304 and 316 grades. Available in standard and heavy hex patterns with coarse and fine threads.

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SS Washer

Stainless Flat Washer

Precision washers for load distribution and spacing. Available in standard and heavy duty thicknesses.

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Grade Comparison

Property 304 (A2) 316 (A4)
Chromium Content 18-20% 16-18%
Nickel Content 8-10.5% 10-14%
Molybdenum None 2-3%
Corrosion Resistance Good Excellent
Best For General use Marine/Chemical

Applications

Stainless steel fasteners are used across numerous industries:

  • Construction: Building facades, roofing, structural connections
  • Food Processing: Equipment assembly, hygienic environments
  • Marine: Boat building, dock hardware, coastal structures
  • Medical: Equipment, clean room installations
  • Automotive: Trim, exhaust systems, underhood
  • Architecture: Handrails, gates, decorative elements