ASTM A194 2H 2HM 4 7 7M Heavy Hex Nuts Standard & Tommy Hole For Petrochemical Pressure Vessel

ASTM A194 2H 2HM 4 7 7M Heavy Hex Nuts Standard & Tommy Hole For Petrochemical Pressure Vessel

Spec 1Material Grade: ASTM A194 2H / 2HM / 4 /7 /7M
Spec 2Nut Style: Standard Heavy Hex / Tommy Hole Hex Nut
Spec 3Surface Finish: Plain / Zinc Plating / Xylan Anti-corrosion Coating
Spec 4Application: Petrochemical Flange, Pressure Vessel, High Temp Pipeline Matching B7/L7 Stud Bolt

Description

Heavy 2H Hex Nut For Petrochemical | ASTM A194 2H Xylan Coated Hex Nut

Heavy 2H Hex Nut For Petrochemical

ASTM A194 Alloy Steel Heavy Hex Nut for Petrochemical Pressure Vessel & Flange

ASTM A194 2H Tommy Hole & Xylan Coated Heavy Hex Nut for Petrochemical 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.