Structural Bolts for Construction

High-strength bolts for structural steel connections

Engineering-grade structural bolts with superior strength and corrosion resistance for building and infrastructure applications.

Structural Bolt Specifications

PropertyValueNote
Thread Sizes
  • M10
  • M12
  • M16
  • M20
  • M24
Most common: M12, M16, M20
Length Range40mm - 300mmCustom lengths available
Material Grade
  • Grade 8.8
  • Grade 10.9
  • Grade 12.9
Per application requirements
Head Types
  • Hex Head
  • Flange Head
  • Socket Head
Standard and custom
Surface Treatment
  • Zinc Plating
  • Zinc-Nickel Plating
  • Hot-Dip Galvanizing
Per environment requirements

Surface Treatment Options

Surface treatment options per ISO standards. Coating specifications, corrosion classification, and service life data provided per application requirements.

Zinc Plating

Standard corrosion protection for structural applications.

Salt Spray Resistance: 240-480 hours

Key Advantages:

  • Cost-effective
  • Good corrosion protection
  • Standard applications

Zinc-Nickel Plating

Premium corrosion protection for harsh outdoor environments.

Salt Spray Resistance: 720-1000+ hours

Key Advantages:

  • Superior corrosion resistance
  • Extended service life
  • Harsh environments

Hot-Dip Galvanizing

Heavy-duty corrosion protection for structural steel connections.

Key Advantages:

  • Thick protective coating
  • Excellent durability
  • Long-term protection

Frequently Asked Questions

Request Structural Bolt Quote

Get pricing and specifications for your structural construction requirements.