Fastener Testing

Fasteners are a type of mechanical parts used for fastening connections. There are many kinds of fasteners, mainly including bolts, studs, nuts, pins, rivets and so on. Fasteners are widely used in machinery, chemical industry, metallurgy, construction, vehicles, ships, electronics, electrical appliances and other fields.

As connecting parts, fasteners have important responsibilities for the normal operation of equipment. If the fasteners are loose or damaged, the safety and stability of the equipment will be reduced and the normal operation of the equipment will be affected. Therefore, regular testing of fasteners can help enterprises discover problems in time and take measures to repair them, so as to ensure the normal operation of equipment and avoid losses caused by downtime.

STEMart provides comprehensive fastener testing services to identify potential problems, facilitate timely maintenance, and ensure the safety and reliability of equipment.

Test Samples

Bolts, studs, screws, nuts, tapping screws, wood screws, washers, retainers, pins, rivets, welding nails, etc.

Standard Tests

• Routine testing items
  • Appearance
  • Dimension
  • Knock test
  • Forging line
  • Anti-corrosion performance of coating
  • Coating thickness
  • Coating distribution
  • Adhesion property
• Mechanical performance testing
  • Tensile strength
  • Yield strength
  • Elongation after breaking
  • Shrinkage of section
  • Wedge load test
  • Guaranteed load test
  • Hardness test
  • Impact absorption energy
  • Head sturdiness
  • Breaking torque
  • Height of thread without decarburization
  • Depth of full decarburization layer

For more information about our fastener testing services, please contact us.