Fasteners & Hardware

Auto Truck & Trailer

Paint & Chemicals

Information / FAQ

Hand Tools

Electrical Dept.

Steel Strut

Site Index

Power Tools

Safety

New Items

Contact Us

Accessories

Welding

Specials - Hot!

Home Page

 

 

Dimensions of Finished Hex Nuts - Coarse ThreadFinished Hex Nuts                    Finished Hex Nuts
Finished Hex Nuts
Nominal or 
Basic Major 
Diameter 
of Thread
F G H
Width Across Flats
(Wrench Size)
Width Across Corners Thickness of 
Hex Nuts
Basic Max Min Max Min Basic Max Min
1/4 0.2500 7/16 0.438 0.428 0.505 0.488 7/32 0.226 0.212
5/16 0.3125 1/2 0.500 0.489 0.577 0.557 17/64 0.273 0.258
3/8 0.3750 9/16 0.562 0.551 0.650 0.628 21/64 0.337 0.320
7/16 0.4375 11/16 0.688 0.675 0.794 0.768 3/8 0.385 0.365
1/2 0.5000 3/4 0.750 0.736 0.866 0.840 7/16 0.448 0.427
9/16 0.5625 7/8 0.875 0.861 1.010 0.982 31/64 0.496 0.473
5/8 0.6250 15/16 0.938 0.922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1" 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/6 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2" 2.0000 3" 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.546 2-3/8 2.431 2.319
3" 3.0000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534
 

 


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.

 top of page   home page   new items   hot specials   contact us   information/faq   site index   place order