Theoretical Weights of Brass Rods and Bars for Hexagons
(Metric Sizes - AS 2338)
Diameter of Bolt
(in.) 		Size Across Flats Min. to Max. (in.) Size Across Flats Min. to Max. (mm) Kilogrammes per Metre (kg/m) Kilogrammes per 3.6 Metre Length (kg/3.6m) Pounds per Foot (lb/ft)
3.2 0.075 0.270 13.31 0.023 0.05
4 0.117 0.423 8.52 0.036 0.08
5 0.183 0.660 5.45 0.056 0.12
5.5 0.222 0.799 4.51 0.068 0.15
7 0.359 1.29 2.78 0.110 0.24
8 0.469 1.69 2.13 0.143 0.32
10 0.734 2.64 1.36 0.224 0.49
12 1.06 3.80 0.947 0.322 0.71
13 1.24 4.46 0.807 0.378 0.83
16 1.88 6.76 0.533 0.572 1.26
17 2.12 7.63 0.472 0.646 1.42
18 2.38 8.56 0.421 0.724 1.60
19 2.65 9.53 0.378 0.807 1.78
20 2.93 10.56 0.341 0.894 1.97
21 3.23 11.65 0.309 0.986 2.17
24 4.23 15.21 0.237 1.29 2.84
30 6.60 23.77 0.151 2.01 4.44
35 8.99 32.35 0.111 2.74 6.04
36 9.51 34.22 0.105 2.90 6.39
46 15.52 55.88 0.64 4.73 10.43
50 18.34 66.02 0.055 5.59 12.32
55 22.19 79.88 0.045 6.76 14.91
60 26.41 95.07 0.038 8.05 17.74
65 30.99 111.57 0.32 9.45 20.83
70 35.94 129.39 0.028 10.96 24.15
75 41.26 148.54 0.024 12.58 27.73
80 46.95 169.00 0.021 14.31 31.55
85 53.00 190.79 0.19 16.15 35.61
95 66.20 238.32 0.015 20.18 44.48