Leader-Fastener® is a manufacturer and distributor of ASME B18.2.2 Flange Nuts. We have a complete line of service from having invested in production plants, export department and to having a quality control team and center to meet your requirements. We regard quality as the life of the company. We persist in good quality as the first policy and have established a set of quality control and inspection system according to the international standard. We have carried out ISO9001 Quality Guarantee System in every course of production, transportation and selling. We do hope we could be your partner in business by topping quality, knight service and competitive price in the near future and be your friends as well.
Leader-Fastener® ASME B18.2.2 Flange Nuts are commonly used to speed up assembly operations or in areas where their larger bearing surface can cover oversized holes or slots The additional bearing surface also serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage or to loosen.
Material : Carbon steel, Stainless steel, Alloy Steel, Brass.
Finishment: Black, Zinc Plated, Zinc Yellow, HDG, Phosphate, DACROMET, Geomet, Magin, Ruspert, Teflon, etc.
Screw Thread | 6# | 8# | 10# | 12# | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | |
d | 0.1380 | 0.1640 | 0.1900 | 0.2160 | 0.2500 | 0.3125 | 0.3750 | 0.4375 | 0.5000 | 0.5625 | 0.6250 | 0.7500 | |
PP | UNC | 32 | 32 | 24 | 24 | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 |
UNF | 40 | 36 | 32 | 28 | 28 | 24 | 24 | 20 | 20 | 18 | 18 | 16 | |
s | min | 0.302 | 0.334 | 0.365 | 0.428 | 0.428 | 0.489 | 0.551 | 0.675 | 0.736 | 0.861 | 0.922 | 1.088 |
max | 0.312 | 0.344 | 0.375 | 0.438 | 0.438 | 0.500 | 0.562 | 0.688 | 0.750 | 0.875 | 0.938 | 1.125 | |
e | min | 0.342 | 0.381 | 0.416 | 0.488 | 0.488 | 0.557 | 0.628 | 0.768 | 0.840 | 0.982 | 1.051 | 1.240 |
max | 0.361 | 0.397 | 0.433 | 0.505 | 0.505 | 0.577 | 0.650 | 0.794 | 0.866 | 1.010 | 1.083 | 1.299 | |
dc | min | 0.406 | 0.452 | 0.480 | 0.574 | 0.574 | 0.660 | 0.728 | 0.910 | 1.000 | 1.155 | 1.248 | 1.460 |
max | 0.422 | 0.469 | 0.500 | 0.594 | 0.594 | 0.680 | 0.750 | 0.937 | 1.031 | 1.188 | 1.281 | 1.500 | |
m | min | 0.156 | 0.187 | 0.203 | 0.222 | 0.222 | 0.268 | 0.330 | 0.375 | 0.437 | 0.483 | 0.545 | 0.627 |
max | 0.171 | 0.203 | 0.219 | 0.236 | 0.236 | 0.283 | 0.347 | 0.395 | 0.458 | 0.506 | 0.569 | 0.675 | |
c | min | 0.020 | 0.020 | 0.030 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.050 | 0.050 | 0.050 | 0.060 |
m1 | min | 0.100 | 0.130 | 0.130 | 0.140 | 0.140 | 0.170 | 0.230 | 0.260 | 0.310 | 0.350 | 0.400 | 0.460 |
Screw Thread | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | |
d | 0.2500 | 0.3125 | 0.3750 | 0.4375 | 0.5000 | 0.5625 | 0.6250 | |
PP | UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 |
UNF | 28 | 24 | 24 | 20 | 20 | 18 | 18 | |
s | min | 0.428 | 0.489 | 0.551 | 0.675 | 0.736 | 0.861 | 0.922 |
max | 0.438 | 0.500 | 0.562 | 0.688 | 0.750 | 0.875 | 0.938 | |
e | min | 0.488 | 0.557 | 0.628 | 0.768 | 0.840 | 0.982 | 1.051 |
max | 0.505 | 0.577 | 0.650 | 0.794 | 0.866 | 1.010 | 1.083 | |
dc | min | 0.700 | 0.790 | 0.885 | 1.100 | 1.175 | 1.260 | 1.280 |
max | 0.728 | 0.820 | 0.915 | 1.131 | 1.205 | 1.300 | 1.360 | |
m | min | 0.281 | 0.343 | 0.390 | 0.437 | 0.485 | 0.546 | 0.600 |
max | 0.312 | 0.375 | 0.406 | 0.468 | 0.515 | 0.578 | 0.640 | |
c | min | 0.04 | 0.04 | 0.04 | 0.04 | 0.06 | 0.06 | 0.06 |
m1 | min | 0.15 | 0.2 | 0.24 | 0.26 | 0.29 | 0.37 | 0.42 |