FLANGE
NUTS |
Nominal
Diameter & Thread Size |
F |
G |
B |
H |
J |
K |
ACROSS |
ACROSS |
FLANGE |
NUT |
WRENCHING |
FLANGE |
FLATS |
CORNERS |
DIAMETER |
THICKNESS |
LENGTH |
THK |
max |
min |
max |
min |
max |
min |
max |
min |
min |
min |
6 |
0.1380 |
0.312 |
0.302 |
0.361 |
0.342 |
0.422 |
0.406 |
0.171 |
0.156 |
0.10 |
0.02 |
8 |
0.1640 |
0.344 |
0.334 |
0.397 |
0.381 |
0.469 |
0.452 |
0.203 |
0.187 |
0.13 |
0.02 |
10 |
0.1900 |
0.375 |
0.365 |
0.433 |
0.416 |
0.500 |
0.480 |
0.219 |
0.203 |
0.13 |
0.03 |
12 |
0.2160 |
0.438 |
0.428 |
0.505 |
0.488 |
0.594 |
0.574 |
0.236 |
0.222 |
0.14 |
0.04 |
1/4 |
0.2500 |
0.438 |
0.428 |
0.505 |
0.488 |
0.594 |
0.574 |
0.236 |
0.222 |
0.14 |
0.04 |
5/16 |
0.3125 |
0.500 |
0.489 |
0.577 |
0.557 |
0.680 |
0.660 |
0.283 |
0.268 |
0.17 |
0.04 |
3/8 |
0.3750 |
0.562 |
0.551 |
0.650 |
0.628 |
0.750 |
0.728 |
0.347 |
0.330 |
0.23 |
0.00 |
7/16 |
0.4375 |
0.688 |
0.675 |
0.794 |
0.768 |
0.937 |
0.910 |
0.395 |
0.375 |
0.26 |
0.04 |
1/2 |
0.5000 |
0.750 |
0.736 |
0.866 |
0.840 |
1.031 |
1.000 |
0.458 |
0.437 |
0.31 |
0.05 |
9/16 |
0.5625 |
0.875 |
0.861 |
1.010 |
0.982 |
1.188 |
1.155 |
0.506 |
0.483 |
0.35 |
0.05 |
5/8 |
0.6250 |
0.938 |
0.922 |
1.083 |
1.051 |
1.281 |
1.248 |
0.569 |
0.545 |
0.40 |
0.05 |
3/4 |
0.7500 |
1.125 |
1.088 |
1.299 |
1.240 |
1.500 |
1.460 |
0.675 |
0.627 |
0.46 |
0.06 |
FLANGE
NUTS |
Nominal
Diameter & Thread Size |
F |
G |
B |
H |
J |
K |
ACROSS
FLATS |
ACROSS
CORNERS |
FLANGE
DIAMETER |
NUT
THICKNESS |
WRENCHING
LENGTH |
FLANGE
THK |
max |
min |
max |
min |
max |
min |
max |
min |
min |
min |
1/4 |
0.2500 |
0.438 |
0.428 |
0.505 |
0.488 |
0.728 |
0.700 |
0.312 |
0.281 |
0.15 |
0.04 |
5/16 |
0.3125 |
0.500 |
0.489 |
0.577 |
0.557 |
0.820 |
0.790 |
0.375 |
0.343 |
0.20 |
0.04 |
3/8 |
0.3750 |
0.562 |
0.551 |
0.650 |
0.628 |
0.915 |
0.885 |
0.406 |
0.390 |
0.24 |
0.04 |
7/16 |
0.4375 |
0.688 |
0.675 |
0.794 |
0.768 |
1.131 |
1.100 |
0.468 |
0.437 |
0.26 |
0.04 |
1/2 |
0.5000 |
0.750 |
0.736 |
0.866 |
0.840 |
1.205 |
1.175 |
0.515 |
0.485 |
0.29 |
0.06 |
9/16 |
0.5625 |
0.875 |
0.861 |
1.010 |
0.982 |
1.300 |
1.260 |
0.578 |
0.546 |
0.37 |
0.06 |
5/8 |
0.6250 |
0.938 |
0.922 |
1.083 |
1.051 |
1.360 |
1.280 |
0.640 |
0.600 |
0.42 |
0.06 |
Flange nuts are available in both UNC-2B coarse and UNF-2B fine
thread series. They can be suppleid in a variety of materials
ie; Grade 2 steel, stainless steel, brass, bronze and aluminum
alloys. When locking is required, flange nuts can also be purchased
with reverse serrations under the flange.
