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Stud Bolts for Refinery & Piping Applications

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Material of Construction
  • Stud Bolts -  ASTM A 193 Grades: B7, B8, B8M
  • Nuts - ASTM A194, Grades 8M, 2H, B8M
Dimensional Standard
  • Stud Bolts - ANSI 18.2.1
  • Nuts - ANSI 18.2.2
  • Threads - ANSI B1.1 Class 2A /2B
Test certificates
  • Material Test Report -  Mechanical, Chemical
  • Dimensional reports
Sizes
  • Metric and UNC -  ¼’’ (6 mm) onwards, Any Length

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Bolts, Studs, Nuts and Washers for Other Engineering Application

Material of Construction
  • Mild Steel
  • High Tensile Alloy Steel
  • Stainless Steel
  • Non ferrous: Brass, Copper, Aluminium, Nylon, PP, FRP
Types
  • Hex / Square Headed Bolts
  • Studs
  • Round Headed Screws: Slotted, Cross Recesses, Countersunk, Raised
  • Hex Socket Headed, Button Headed
  • Tapping Screws
  • Screw Bolts
  • Wood Screws
  • U bolts, Anchor bolts
  • Eye Bolts
  • Special Types as per Drawings
Sizes
  • Metric : M3 onwards
  • Inch series : 1/8’’ onwards
Surface Preparations
  • Phosphated
  • Zinc Plated
  • Nickel Plated – for brass
Washers :
  • Types :  Plain Machine, Spring, Bevel

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