Inch Data and dimensions
Inch HUCK 360® Grade 8 Bolt
Diameter
(inches)
DT(*) A B H D T Min. Ult.
Tensile LBF
6" or shorter Over 6"
3/8 12 0.639 0.557 0.303 0.372 1.14 1.39 11,600
7/16 14 0.710 0.619 0.361 0.435 1.3 1.55 15,900
1/2 1+ 0.853 0.743 0.403 0.497 1.43 1.68 21,300
5/8 20 1.067 0.930 0.504 0.622 1.71 1.96 33,900
3/4 24 1.277 1.113 0.604 0.746 1.97 2.21 50,100
7/8 28 1.491 1.299 0.706 0.871 2.24 2.49 69,300
1 32 1.704 1.485 0.790 0.995 2.51 2.76 90,900


Lengths and Diameters
Nom.
Length
Length Code "L" - Underhead Length (Inches)
(***) DT12 DT14 DT16 DT20 DT24 DT28 DT32
1-1/4" X125 1.250            
1-3/8" X137 1.375            
1-1/2" X150 1.500 1.500          
1-5/8" X162 1.625 1.625          
1-3/4" X175 1.750 1.750          
1-7/8" X187 1.875 1.875          
2" X200 2.000 2.000 2.000        
2-1/8" X212 2.125 2.125          
2-1/4" X225 2.250 2.250 2.250 2.250      
2-3/8" X237 2.375 2.375          
2-1/2" X250 2.50 2.50 2.50 2.50      
2-5/8" X262 2.625 2.625          
2-3/4" X275 2.750 2750 2.750 2.750 2.750    
2-7/8" X287 2.875 2.875          
3" X300 3.000 3.000 3.000 3.000 3.000 3.000 3.000
3-1/4" X325 3.250 3.250 3.250 3.250 3.250 3.250 3.250
3-1/2" X350 3.500 3.500 3.500 3.500 3.500 3.500 3.500
3-3/4" X375 3.750 3.750 3.750 3.750 3.750 3.750 3.750
4" X400 4.000 4.000 4.000 4.000 4.000 4.000 4.000
4-1/4" X425 4.250 4.250 4.250 4.250 4.250 4.250 4.250
4-1/2" X450 4.500 4.500 4.500 4.500 4.500 4.500 4.500
4-3/4" X475 4.750 4.750 4.750 4.750 4.750 4.750 4.750
5" X500 5.000 5.000 5.000 5.000 5.000 5.000 5.000
5-1/4" X525 5.250 5.250 5.250 5.250 5.250 5.250 5.250
5-1/2" X550 5.500 5.500 5.500 5.500 5.500 5.500 5.500
5-3/4" X575 5.750 5.750 5.750 5.750 5.750 5.750 5.750
6" X600 6.000 6.000 6.000 6.000 6.000 6.000 6.000
6-1/4" X625 6.250 6.250 6.250 6.250 6.250 6.250 6.250
6-1/2" X650 6.500 6.500 6.500 6.500 6.500 6.500 6.500
6-3/4" X675 6.750 6.750 6.750 6.750 6.750 6.750 6.750
Products Highlighted in RED are now currently available from stock. Other sizes will become available monthly as popularity and production increases. Some sizes not yet produced could have a small minimum order quantity to produce a specific size. Plated parts may also be available if requested.

Inch HUCK 360® Nut
Diameter
(inches)
R(*) C F J M Min. Ult.
Tensile LBF
3/8 12 0.779 0.679 0.45 0.349 11,600
7/16 14 0.848 0.739 0.525 0.407 15,900
1/2 16 0.99 0.863 0.6 0.465 21,300
5/8 20 1.202 1.047 0.75 0.581 33,900
3/4 24 1.413 1.231 0.9 0.697 50,100
7/8 28 1.625 1.416 1.04 0.805 69,300
1 32 1.836 1.6 1.2 0.93 90,900