These nuts can be used with threaded rod for hanging pipe, fixtures or other assemblies, with concrete anchors for a variety of tie-down applications.
Available only in tap sizes of 1/4-20 and 3/8-16.
Group codes Represented: EC
Part# Example: EC-14 , EC-38
These nuts are used in the same manner as a rod coupling nut, but join two threaded rods of different diameters. Available in zinc plated steel. Any combination of diameters is possible, from 1/4" to 5/8", with lengths from 1" to 1 1/2".
Group codes Represented: RECN
Part# Example: 37U50URECN
Coupling nuts are typically used to attach two pieces of threaded rod, bolts or studs that are of the same size. Available in plain or zinc. Stocked in USS, SAE threads.
Group codes represented: CN
Part# Examples: 75UCN, 50SCN, 75UCNZ
| NOMINAL SIZE AND THREADS PER INCH |
BASIC MAJOR DIAMETER OF THREADS |
F |
G |
H |
|||||
WIDTH ACROSS FLATS |
WIDTH ACROSS CORNERS |
LENGTH |
|||||||
BASIC |
MAX |
MIN |
MAX |
MIN |
BASIC |
MAX |
MIN |
||
1/4 - 20 |
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 |
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 |
9/16 |
0.562 |
0.551 |
0.65 |
0.628 |
1 3/4 |
1.76 |
1.73 |
1/2 - 13 |
0.5000 |
11/16 |
0.688 |
0.663 |
0.794 |
0.756 |
1 3/4 |
1.76 |
1.73 |
5/8 - 11 |
0.6250 |
13/16 |
0.813 |
0.782 |
0.939 |
0.891 |
2 1/8 |
2.14 |
2.1 |
3/4 - 10 |
0.7500 |
1 |
1.000 |
0.963 |
1.155 |
1.097 |
2 1/4 |
2.27 |
2.22 |
1/8 |
1.0000 |
1 3/8 |
1.375 |
1.325 |
1.588 |
1.511 |
2 3/4 |
2.78 |
2.72 |
