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Dimensions of Hex Jam Nuts

Hex Jam Nuts                   Hex Jam Nuts    

Hex Jam Nuts
Nominal or 
Basic Major 
Diameter of Thread
F G H1
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4 0.2500 7/16 0.438 0.428 0.505 0.488 5/32 0.163 0.150
5/16 0.3125 1/2 0.500 0.489 0.577 0.557 3/16 0.195 0.180
3/8 0.3750 9/16 0.562 0.551 0.650 0.628 7/32 0.227 0.210
7/16 0.4375 11/16 0.688 0.675 0.794 0.768 1/4 0.260 0.240
1/2 0.5000 3/4 0.750 0.736 0.866 0.840 5/16 0.323 0.302
9/16 0.5625 7/8 0.845 0.861 1.010 0.982 5/16 0.324 0.301
5/8 0.6250 15/16 0.938 0.922 1.083 1.051 3/8 0.387 0.363
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 27/64 0.880 0.808
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 31/64 0.510 0.458
1" 1.0000 1-1/2 1.500 1.450 1.732 1.653 35/64 0.575 0.519
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 39/64 0.639 0.579
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 23/32 0.751 0.687
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 25/32 0.815 0.747
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 27/32 0.880 0.808
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 31/32 1.009 0.929
2" 2.0000 3" 3.000 2.900 3.464 3.306 1-3/32 1.138 1.050

 

 


God Bless America

Fairbury Fastener
23092 E. 800 North Rd. / U.S. Rt 24 East
Fairbury, IL 61739
Phone:  (815) 692-3848
  
FAX:  (815) 692-2200
E- Mail: 
sales @ fairbury fastener . com

Call 815-692-3848
to place your order

We do NOT process international orders.  Prices are subject to change and may be different than shown on our site.  
Call for current pricing.
 All Returns subject to restocking.

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