Heavy Hex NutStainless Steel
Gr 8M (SS316) Heavy Hex Nut (A194)
A194 Grade 8M (SS 316) Heavy Hex Nut (A194) to ASME B18.2.2 / ASTM A194. Manufactured to order and supplied with full documentation.
StandardASME B18.2.2 / ASTM A194
Product CategoryHeavy Hex Nut
MaterialStainless Steel
Grade / Class316
Size Range1/2" – 3"
Custom sizesMade to order
ThreadUNC
Thread CoverageFull Thread
SKUHHN-SS-A480-00129157
Manufactured to order. Full material certificates and dimensional reports supplied with every shipment.
Key features
A194 Grade 8M (SS 316) construction
Size range 1/2" to 3"
UNC thread
full thread
Finishes available
Plain
No coating — the bare machined finish. Used where no extra corrosion protection is needed, or where the part is painted after assembly.
Passivated
Acid passivation for stainless steel. Removes the free iron left behind by machining so the stainless surface can protect itself again.
Diameters available
1/2"5/8"3/4"7/8"1"1-1/8"1-1/4"1-3/8"1-1/2"1-5/8"1-3/4"2"2-1/4"2-1/2"3"Custom
Typical applications
ASME B16.5 pipe flanges, pressure vessels, boilers, nuclear piping, and refinery reactors.
More Heavy Hex Nut fasteners
Need this in a custom size?
Send us your drawing and specification — we manufacture to order in metric or imperial.