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Hexagon Bolts

Metric thread hexagon head bolts in diameters up to M36. Bolts have partially threaded shanks as distinct from Set Screws which are fully threaded. Our comprehensive range includes Bright Zinc Plated, Hot Dip Galvanised and Stainless Steel grades A2 and A4.

Stainless Steel Grades

Grade A2 or 304

  • Austenitic stainless steel: 18% Chromium, 8% Nickel
  • Most commonly used grade of stainless steel fastener
  • Outstanding corrosion resistance under normal atmospheric and wet conditions

Grade A4 or 316

  • Austenitic stainless steel: 18% Chromium, 10% Nickel, 3% Molybdenum
  • Higher levels of corrosion resistance – often referred to as ‘Acid Proof’
  • Higher resistance to aggressive climates such as seawater and industrial pollution
  • Maintains a pristine finish