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Hex Coupling Nuts Zinc

Hex Coupling Nuts Zinc


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Hex Coupling Nuts Zinc

A double chamfered hex nut used to join to externally threaded parts of equal diameter and pitch, often two pieces of threaded rod. Manufactured from 1010 - 1018 equivalent steel. Hardness = Rockwell B68 - C32 Tensile strength = 60,000 psi. minimum. Note - there is no single standard for coupling nut dimensions. These values are offered as a guide; deviations from these specifications may occur.

 
Hex Coupling Nuts Zinc
Nominal
Size and
Threads per
Inch
Basic Major
Diameter of
Thread
Width Across Flats Width Across Corners Length
Basic Max Min Max. Min. Basic Max Min
8-32 0.1640 5/16 0.312 0.302 0.361 0.344 5/8 0.64 0.61
10-24 0.1900 5/16 0.312 0.302 0.361 0.344 3/4 0.76 0.74
10-32 0.1900 5/16 0.312 0.302 0.361 0.344 3/4 0.76 0.74
1/4-20 0.2500 3/8 0.375 0.365 0.433 0.416 7/8 0.89 0.86
1/4-20 0.2500 7/16 0.438 0.428 0.505 0.488 1-1/2 1.51 1.49
1/4-20 0.2500 7/16 0.438 0.428 0.505 0.488 1-3/4 1.76 1.73
1/4-28 0.2500 3/8 0.375 0.365 0.433 0.416 7/8 0.89 0.86
5/16-18 0.3125 1/2 0.500 0.489 0.577 0.557 7/8 0.89 0.86
5/16-18 0.3125 1/2 0.500 0.489 0.577 0.557 1-1/8 1.13 1.11
5/16-24 0.3125 7/16 0.438 0.428 0.505 0.488 7/8 0.89 0.86
3/8-16 0.3750 1/2 0.500 0.489 0.577 0.557 1-1/8 1.13 1.11
3/8-16 0.3750 5/8 0.625 0.613 0.722 0.698 1-3/4 1.76 1.73
3/8-24 0.3750 1/2 0.500 0.489 0.577 0.557 1-1/8 1.13 1.11
1/2-13 0.5000 5/8 0.625 0.613 0.722 0.698 1-1/4 1.26 1.24
1/2-13 0.5000 11/16 0.688 0.663 0.794 0.756 1-3/4 1.76 1.73
1/2-20 0.5000 5/8 0.625 0.613 0.722 0.698 1-1/4 1.26 1.24
5/8-11 0.6250 13/16 0.813 0.782 0.939 0.891 2-1/8 2.14 2.10
5/8-18 0.6250 13/16 0.813 0.782 0.939 0.891 2-1/8 2.14 2.10
3/4-10 0.7500 1 1.000 0.963 1.155 1.097 2-1/4 2.27 2.22
3/4-10 0.7500 1 1.000 0.963 1.155 1.097 2-1/4 2.27 2.22
7/8-9 0.8750 1-1/4 1.250 1.212 1.443 1.382 2-1/2 2.53 2.47
1-8 1.0000 1-3/8 1.375 1.325 1.588 1.511 2-3/4 2.78 2.72