The document provides technical specifications for various anchor bolt sizes, detailing dimensions, tensile strength, yield strength, and effective area according to ACI 318-05 standards. It includes information on weight savings using rolled threads versus cut threads and offers contact details for technical inquiries. The document also features a comparison of allowable load capacities based on the design of anchor bolts.

1. Brad Dove, Technical Sales
702-290-9625
brad@steelworkbolts.com
Tensile
Stress Area
(in^2)
ACI 318-05
Sect D.5.1.2
Tensile
Strength
Yield
Strength
Tensile
Strength
Yield
Strength
Tensile
Strength
Yield
Strength
Eff Area
½ 0.500 0.668 0.4500 Y 0.482 0.444 0.196 0.159 19% 0.1419 4.63 2.49 5.99 3.80 9.98 7.26
⅝ 0.625 1.043 0.5660 Y 0.605 0.559 0.307 0.252 18% 0.2260 7.37 3.97 9.53 6.06 15.89 11.57
¾ 0.750 1.502 0.6850 Y 0.729 0.677 0.442 0.369 17% 0.3340 10.90 5.86 14.09 8.96 23.48 17.10
⅞ 0.875 2.044 0.8028 Y 0.852 0.795 0.601 0.506 16% 0.4620 15.07 8.11 19.49 12.39 32.48 23.65
1 1.000 2.670 0.9188 Y 0.976 0.91 0.785 0.663 16% 0.6060 19.77 10.64 25.57 16.25 42.61 31.02
1 ⅛ 1.125 3.379 1.0322 Y 1.098 1.023 0.994 0.837 16% 0.7630 24.89 13.39 32.19 20.46 53.65 39.06
1 ¼ 1.250 4.172 1.1572 Y 1.223 1.148 1.227 1.052 14% 0.9690 31.61 17.01 40.88 25.98 68.13 49.60
1 ½ 1.500 6.008 1.3917 N 1.470 1.381 1.767 1.521 14% 1.4050 45.84 24.66 59.27 37.67 98.79 71.92
1 ¾** 1.750 8.178 1.6201 N 1.716 1.608 2.405 2.061 14% 1.9000 61.99 33.35 80.16 50.94 133.59 97.26
2 2.000 10.680 1.8557 N 1.964 1.843 3.142 2.705 14% 2.5000 81.56 43.88 105.47 67.03 175.78 127.97
2 ¼ 2.250 13.520 2.1057 N 2.214 2.093 3.976 3.482 12% 3.2500 106.03 57.04 137.11 87.14 228.52 166.36
2 ½ 2.500 16.690 2.3376 N 2.461 2.324 4.909 4.292 13% 4.0000 130.50 70.20 168.75 107.25 281.25 204.75
2 ¾ 2.750 20.190 2.5876 N 2.711 2.574 5.940 5.259 11% 4.9300 160.84 86.52 207.98 132.19 346.64 252.35
3 3.000 24.030 2.8376 N 2.961 2.824 7.069 6.324 11% 5.9700 194.77 104.77 251.86 160.07 419.77 305.59
3 ¼ 3.250 28.210 3.0876 N 3.211 3.073 8.296 7.487 10% 7.1000 231.64 124.61 299.53 190.37
3 ½ 3.500 32.710 3.3376 N 3.461 3.323 9.621 8.749 9% 8.3300 271.77 146.19 351.42 223.35
3 ¾ 3.750 37.550 3.5876 N 3.710 3.573 11.045 10.109 8% 9.6600 315.16 169.53 407.53 259.01
4 4.000 42.750 3.8376 N 3.960 3.823 12.566 11.567 8% 11.0800 361.49 194.45 467.44 297.08
For technical inquires, contact Al Davis at aldavis@steelworkbolts.com or 210-414-8004
or visit our website at www.steelworkbolts.com
Anchor Bolt Sizes
Min Min
(based on
pitch dia)
Cold-
Forged
Nut
Nominal
Size (in)
Diameter
(dec)
Wgt/Ft (lb) Pitch Dia
Body/Shank Area (in^2)
Body/Shank
Diameter (in)
Rolled
Threads
% weight
savings
using
rolled
threads
Full Diameter
Reduced
Diameter
Cut
Threads
LRFD, фR.n LRFD, фR.n LRFD, фR.n
36 55 105
Anchor Bolt Comparison: Rolled Threads vs. Cut Threads
F 1554 Anchor Bolt: ACI Allowable Load
Capacity
F 1554 Grade
Tensile/Yield Strength Based on Effective Area (Cut
or Rolled Threads per ACI 318 Section D)