High Tensile 316 Stainless Steel Bolts with Superior Corrosion Resistance

A4-90~100 Tensile Strength Bolts Manufactured with Advanced Multi-Blow Header Technology

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How Can High Tensile 316 SS Bolts Withstand Extreme Automotive Engine Stress?

Our 316 stainless steel bolts with A4-90~100 tensile strength are specifically engineered for high-stress automotive applications. The multi-blow header formation process creates superior head integrity, while ISO-compliant inspection ensures every bolt meets critical dimensional tolerances for engine assembly, chassis connections, and safety-critical components. Contact us for automotive-grade fastener solutions with certified quality documentation.

With 45 years of fastener manufacturing expertise, our 316 SS bolts deliver reliable performance in corrosive environments, salt spray conditions, and high-stress applications. The combination of premium 316 stainless steel material, precision manufacturing processes, and comprehensive quality control ensures consistent dimensional accuracy and mechanical properties. Whether you're an OEM manufacturer requiring custom specifications or an aftermarket customer seeking dependable industrial fasteners, our high tensile bolts provide the strength, durability, and quality assurance your critical applications demand.

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Bolt

HB003-150906-2

Process: Using multi blow header for head formation before threading, and then acid washing
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Measurement Points: Head diameter, Total length, Surface Roughness

Features

  • Tensile Strength: A4-90~100
  • Surface Roughness: RA-0.8

Specification

  • Item Specification: 6*40
  • Item Material: 316 SS