Stud Bolts

Stud bolts with 2 heavy hexagonal steel nuts for flanges to ASME and EN specifications in carbon, alloy, stainless, nickel-alloys, either coated (HDG, Xylan, Xylar) or uncoated.

We supply a complete range of stud bolts for flanges (threaded rod + 2 heavy hex steel nuts). Our stud bolts find application in the oil&gas, power generation, chemical industries:

• Size range: from 1/4” (M6) to 7” (M180), any length (in inches or mm) to suit ASME B16.5/B16.47 and EN 1092-1 flange (according to the flange bolting chart)
• Specifications: imperial (ASME B16.5) and metric
• Threaded rod materials
  • ASTM A193 (high temperature): B5, B6, B6, B7, B7M, B8, B8M, B16
  • ASTM A320 (low temperature): L7, L7M, L43, B8, B8M
  • ASTM A453 Gr. 660A/B/C/D
  • Duplex, Super Duplex (UNS 32760 ASTM A182 F51, F53/F55)
  • Nickel Alloys (Inconel 600/625/718, Incoloy, Hastelloy, Monel)
• Hex. steel nuts materials
  • ASTM A194: 2H, 2HM, 7M , 3, 4, 7, 16, 6, 6F, 8, 8C, 8M, 8T, 8F, 8P, 8N, 8MN, 8LN, 8MLN, 8MLCuN,9C, 8A, 8CA, 8MA, 8TA, 8FA, 8PA, 8NA, 8MNA, 8LNA, 8MLNA, 8MLCuNA, 8R, 8RA, 8S, 8SA
  • Duplex, Super Duplex (UNS 32760 ASTM A182 F51, F53/F55)
  • Nickel Alloys (Inconel, Incoloy, Hastelloy, Monel)
• Coatings
  • Hot-Dip Galvanization (ASTM A153, ISO 1461, UNI 3740, BS 729)
  • Electro Zinc Plating (UNI 4721, ASTM B633)
  • PTFE (Fluorocarbon Coating): Xylan 1070, Xylan 1024 Blue/Green/Red/Yellow
  • Ceramic Filled Fluorocarbon Coating: Xylar 1/2 and Xylan 1070
  • Electroless Nickel Plating (ASTM B733)
  • Nickel Plating (ASTM B689)
  • Electro NickelZinc Plating (ASTM B841)
  • Silver Plating (ASTM B254, B700)
  • Pickling & Passivation (ASTM A380)
  • GEOMET 321 o 500 (ASTM F1136)

Downloads

Stud Bolts for Flanges