About the Heavy Hex Nut
Petrochemical heavy hex nut to ASTM A194 in grades 2H, 2HM, 4L, 7, 7L and 8, matched to high-strength stud bolts. Offered with a wide range of corrosion-resistant coatings for oil, gas and mining.
Features
- Heavy hex pattern, larger across-flats and thicker
- ASTM A194 grades 2H, 2HM, 4L, 7, 7L and 8
- Wide coatings: hot-dip galvanised, Xylan blue, cadmium, zinc plate/yellow
- High-temperature and high-pressure suited
- Metric M6 to M72 and imperial sizes
Applications
- Stud bolt and flange assemblies
- Petrochemical and process pipework
- Oil, gas and mining
- High-pressure, high-temperature joints
Standards & specification
- ASTM A194 / GRADE 2H
- ASTM A194 / GRADE 4L
- ASTM A194M / GRADE 4L
- ASTM A194 / GRADE 8MA
- ASTM A194 / GRADE 2HM
- ASTM A194 / GRADE 8M
- ASTM A194 / GRADE 7L
- ASTM A194M / GRADE 8
Need Heavy Hex Nut in bulk?
Add the sizes you need to your quote, or send us your list and we’ll price the lot and supply it with the rest of your order.
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