
Grade 2, Zinc
Specication: ASME B18.2.2
Material & Mechanical Properties: Grade 2 per SAE J995
Thread Requirements: ASME B1.1, UNC
Finish: Fe/Zn 3AN per ASTM F1941/F1941M
Hex Nuts
Nominal Size
SKU
FNWHNG2Z14 1/4 0.2500 0.438 0.428 0.505 0.488 0.226 0.212 20 50
FNWHNG2Z516 5/16 0.3125 0.500 0.489 0.577 0.557 0.273 0.258 18 50
FNWHNG2Z38 3/8 0.3750 0.563 0.551 0.650 0.628 0.337 0.320 16 50
FNWHNG2Z12 1/2 0.5000 0.750 0.736 0.866 0.840 0.448 0.427 13 50
FNWHNG2Z58 5/8 0.6250 0.938 0.922 1.083 1.051 0.559 0.535 11 12
FNWHNG2Z34 3/4 0.7500 1.125 1.088 1.299 1.240 0.665 0.617 10 12
FNWHNG2Z78 7/8 0.8750 1.312 1.269 1.516 1.447 0.776 0.724 9 12
or
Basic Diameter
of Thread (in)
F G H
Width
Across
Flats (in)
Max Min Max Min Max Min
Width
Across
Corners (in)
Nut
Thickness
(in)
Threads
Per Inch
(TPI)
Pack Qty
FNW.COM
5