Titanium & Zirconium Heavy Hex Nuts

United Titanium manufactures and inventories heavy hex nuts from #1/4 to 2-1/2” diameter. We also have metric heavy hex nuts available upon request. These heavy hex nuts are manufactured to the most recent ASME B18.2.2, IFI, or customer stated standards. Our inventory is home to thousands of these heavy hex nuts in any of our various materials like alloy C-276, grade 2 titanium, grade 5 titanium, grade 7 titanium and zirconium 702.

Heavy Hex Nuts Specifications

  • MIL-S-1222, if requested
  • STANDARD (ASME/ANSI)
  • METRIC (IFI)
  • ASTM F467, if requested

Dimensions

   F G H H1
NOMINAL SIZE  WIDTH ACROSS FLATS WIDTH ACROSS
CORNERS
THICKNESS
(HEAVY HEX FLAT NUTS)
THICKNESS
(HEAVY HEX FLAT JAM NUTS)
BASIC MAX MIN MAX MIN BASIC MAX MIN BASIC MAX MIN
1/4 1/2 0.500 0.488 0.577 0.556 15/64 0.250 0.218 11/64 0.288 0.156
5/16 9/16 0.562 0.546 0.650 0.622 19/64 0.314 0.280 13/64 0.220 0.186
3/8 11/16 0.688 0.669 0.794 0.763 23/64 0.377 0.341 15/64 0.252 0.216
7/16 3/4 0.750 0.728 0.866 0.830 27/64 0.441 0.403 17/64 0.285 0.247
1/2 7/8 0.875 0.850 1.010 0.969 31/64 0.504 0.464 19/64 0.317 0.277
9/16 15/16 0.938 0.909 1.083 1.037 35/64 0.568 0.526 21/64 0.349 0.307
5/8 1-1/16 1.062 1.031 1.227 1.175 39/64 0.631 0.587 23/64 0.381 0.337
3/4 1-1/4 1.250 1.212 1.443 1.382 47/64 0.758 0.710 27/64 0.446 0.398
7/8 1-7/16 1.438 1.394 1.660 1.589 55/64 0.885 0.833 31/64 0.510 0.458
1 1-5/8 1.625 1.575 1.876 1.796 63/64 1.012 0.956 35/64 0.575 0.519
1-1/8 1-13/16 1.812 1.756 2.093 2.002 1-1/8 1.155 1.079 5/8 0.655 0.579
1-1/4 2 2.000 1.938 2.309 2.209 1-1/4 1.282 1.187 3/4 0.782 0.687
1-3/8 2-3/16 2.188 2.119 2.526 2.416 1-3/8 1.409 1.310 13/16 0.846 0.747
1-1/2 2-3/8 2.375 2.300 2.742 2.622 1-1/2 1.536 1.433 7/8 0.911 0.808
1-3/4 2-3/4 2.750 2.662 3.175 3.035 1-3/4 1.790 1.679 1 1.040 0.929
2 3-1/8 3.125 3.025 3.608 3.449 2 2.044 1.925 1-1/8 1.169 1.050
2-1/4 3-1/2 3.500 3.388 4.041 3.862 2-1/4 2.298 2.155 1-1/4 1.298 1.155
2-1/2 3-7/8 3.875 3.750 4.474 4.275 2-1/2 2.552 2.401 1-1/2 1.552 1.401
2-3/4 4-1/4 4.250 4.112 4.907 4.688 2-3/4 2.806 2.647 1-5/8 1.681 1.522
3 4-5/8 4.650 4.475 5.340 5.102 3 2.060 2.893 1-3/4 1.810 1.643
3-3/4 5 5.000 4.838 5.774 5.515 3-3/4 3.314 3.124 1-7/8 1.939 1.748
3-1/2 5-3/8 5.375 5.200 6.207 5.928 3-1/2 3.568 3.370 2 2.068 1.870
3-3/4 5-3/4 5.750 5.562 6.640 6.431 3-3/4 3.822 3.616 2-1/8 2.197 1.990
4 6-1/8 6.125 5.925 7.073 6.755 4 4.076 3.862 2-1/4 2.326 2.112

Materials

TITANIUM ZIRCONIUM ALLOY TANTALUM
CP-TI (GR. 2) 702 600 UT35N  
6AL-4V (GR. 5) 705 625 556  
TI-PD (GR. 7)   825 718  
TI CODE 12 (GR. 12)   C276 AL6XN  
6AL-4V ELI (GR. 23)   C22 2205  
    B2 686  
    B3 255  
         

Specifications

Our heavy hex nut dimensions are listed in inches, but we also offer metric heavy hex nuts upon request.

Inventory List

Sort by Material
1-01-267-00.00
1/4-20 HEAVY HEX NUT TI GR 2
In Stock
1-01-268-00.00
5/16-18 HEAVY HEX NUT TI GR 2
Available
1-01-269-00.00
3/8-16 HEAVY HEX NUT TI GR 2
In Stock
1-01-961-00.00
7/16-14 HEAVY HEX NUT TI GR 2
In Stock
1-01-962-00.00
1/2-13 HEAVY HEX NUT TI GR 2
In Stock
1-01-963-00.00
5/8-11 HEAVY HEX NUT TI GR 2
In Stock
1-01-964-00.00
3/4-10 HEAVY HEX NUT TI GR 2
In Stock
1-01-965-00.00
7/8-9 HEAVY HEX NUT TI GR 2
In Stock
1-01-966-00.00
1-8 HEAVY HEX NUT TI GR 2
Available
1-01-968-00.00
1-1/4 - 7 HEAVY HEX NUT TI GR 2
In Stock
1-02-269-00.00
3/8-16 HEAVY HEX NUT TI GR 5
Available
1-02-962-00.00
1/2-13 HEAVY HEX NUT TI GR 5
In Stock
1-02-962100.00
9/16-12 HEAVY HEX NUT TI GR 5
In Stock
1-02-963-00.00
5/8-11 HEAVY HEX NUT TI GR 5
In Stock
1-02-964-00.00
3/4-10 HEAVY HEX NUT TI GR 5
In Stock
1-02-964-00F00
3/4-10 HEAVY HEX NUT, F467 TI GR 5
In Stock
1-02-965-00.00
7/8-9 HEAVY HEX NUT TI GR 5
In Stock
1-02-965-50.01
7/8-9 HEAVY HEX NUT, UNJ 3B, F467 TI GR 5
Available
1-02-966-00.00
1-8 HEAVY HEX NUT TI GR 5
In Stock
1-02-966-00F00
1-8 HEAVY HEX NUT, F467 TI GR 5
In Stock
1-02-967-00.00
1-1/8-7 HEAVY HEX NUT TI GR 5
In Stock
1-02-967-50.01
1-1/8-12 UNJ 3B HEAVY HEX NUT F467 TI GR 5
Available
1-02-967910-00
1-1/8-8 HEAVY HEX NUT TI GR 5
In Stock
1-02-968-10.00
1-1/4-8 HEAVY HEX NUT TI GR 5
In Stock
1-02-968-10F00
1-1/4-8 HEAVY HEX NUT, F467 TI GR 5
Available
1-02-969-00.00
1-1/2-6 HEAVY HEX NUT TI GR 5
Available
1-02-969-00F00
1-1/2-8 HEAVY HEX NUT, F467 TI GR 5
In Stock
1-03-269-00.00
3/8-16 HEAVY HEX NUT TI GR 7
In Stock
1-03-962-00.00
1/2-13 HEAVY HEX NUT TI GR 7
In Stock
1-03-962-50.00
1/2-13 HEAVY HEX JAM NUT TI GR 7
Available
1-03-963-00.00
5/8-11 HEAVY HEX NUT TI GR 7
In Stock
1-03-964-00.00
3/4-10 HEAVY HEX NUT TI GR 7
In Stock
1-03-965-00.00
7/8-9 HEAVY HEX NUT TI GR 7
Available
1-03-967-10.00
1-1/8 -8 HEAVY HEX NUT TI GR 7
Available
1-04-268-00.00
5/16-18 HEX NUT 9/16 HEX X 5/16 ZIRC 702
Available
1-04-269-00.00
3/8-16 HEAVY HEX NUT ZIRC 702
In Stock
1-04-962-00.00
1/2-13 HEAVY HEX NUT ZIRC 702
In Stock
1-04-963-00.00
5/8-11 HEAVY HEX NUT ZIRC 702
In Stock
1-04-964-00.00
3/4-10 HEAVY HEX NUT ZIRC 702
Available
1-04-969-22.00
2-8 HEAVY HEX NUT ZIRC 702
Available
1-14-267-00.00
1/4-20 HEAVY HEX NUT C-276
In Stock
1-14-268-00.00
5/16-18 HEAVY HEX NUT C-276
In Stock
1-14-269-00.00
3/8-16 HEAVY HEX NUT C-276
In Stock
1-14-961-00.00
7/16-14 HEAVY HEX NUT C-276
Available
1-14-962-00.00
1/2-13 HEAVY HEX NUT C-276
In Stock
1-14-963-00.00
5/8-11 HEAVY HEX NUT C-276
In Stock
1-14-964-00.00
3/4-10 HEAVY HEX NUT C-276
In Stock
1-14-965-00.00
7/8-9 HEAVY HEX NUT C-276
In Stock
1-14-966-00.00
1-8 HEAVY HEX NUT C-276
In Stock
1-14-967-00.00
1-1/8-7 HEAVY HEX NUT C-276
Available
1-14-968-00.00
1-1/4-7 HEAVY HEX NUT C-276
In Stock
1-14-969-00.00
1-1/2-6 HEAVY HEX NUT C-276
In Stock