Description
Heavy 2H Hex Nut For Petrochemical
ASTM A194 Alloy Steel Heavy Hex Nut for Petrochemical Pressure Vessel & Flange
Two Main Nut Types
- Standard Heavy 2H Hex Nut: Regular full hex body for general petrochemical flange assembly
- Tommy Hole Hex Nut: Side drilled hole design for anti-loose positioning under harsh working condition
- Multi Anti-corrosion Finish: Plain, Zinc Plating, High performance Xylan coating for corrosive petrochemical environment
- Full Grade Range: A194 2H / 2HM / 4 /7 /7M to match A193 B7 & A320 L7 series stud bolts
Material & Surface Option
Material Grade: ASTM A194 2H,2HM,4,7,7M Alloy Steel
Available Finish: Plain Finish / Zinc Plating / Xylan Anti-corrosion Coating
Thread Spec: Unified Inch Size from 3/8" up to 3-3/4"
| Grade | Style | Size Range | Available Finish |
|---|---|---|---|
| A194 2H/2HM/4/7/7M | Heavy Hex / Tommy Hole Hex | 3/8~3-3/4 inch | Plain/Zinc/Xylan |
Application
Petrochemical refining equipment, high-low temperature pressure vessel, pipeline flange connection, matched assembly with B7/L7 stud bolt.
