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ASME B18.2.2 Flange Nuts
  • ASME B18.2.2 Flange NutsASME B18.2.2 Flange Nuts

ASME B18.2.2 Flange Nuts

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.

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Product Description

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.


Product Specification of ASME B18.2.2 Flange Nuts

Material : Carbon steel, Stainless steel, Alloy Steel, Brass.

Finishment: Black, Zinc Plated, Zinc Yellow, HDG, Phosphate, DACROMET, Geomet, Magin, Ruspert, Teflon, etc.


Leader-Fastener® ASME B 18.2.2 - 2022 Hex Flange Nuts [Table 13] (ASTM A563 / F594 / F467)


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


ASME B 18.2.2 - 2022 Large Hex Flange Nuts [Table 13] (ASTM A563 / F594 / F467)


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



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