Hot rolled unequal angle steel [(YB) 167-65] Rechargeable Screwdriver Set,Portable Screwdriver Set,Mechanical Screwdriver Set,Electric Magnetic Screwdriver Kit henan horn tools co.,ltd. , https://www.horntoolsltd.com Hot rolled unequal angle steel [(YB) 167-65] B-long side width; b-short side width; d-side thickness; r-inner arc radius Angle number Size (mm) Cross-sectional area (cm2) Theoretical weight (kg/m) External surface area (m2/m) B b d r 2.5/1.6 25 16 3 3.5 1.162 0.912 0.080 4 1.499 1.176 0.079 3.2/2 32 20 3 1.492 1.171 0.102 4 1.939 1.522 0.101 4/2.5 40 25 3 4 1.890 1.484 0.127 4 2.467 1.936 0.127 4.5/2.8 45 28 3 5 2.149 1.687 0.143 4 2.806 2.203 0.143 5/3.2 50 32 3 5.5 2.431 1.908 0.161 4 3.177 2.494 0.160 5.6/3.6 56 36 3 6 2.743 2.153 0.181 4 3.590 2.818 0.180 5 4.415 3.466 0.180 6.3/4 63 40 4 7 4.058 3.185 0.202 5 4.993 3.920 0.202 6 5.908 4.638 0.201 7 6.802 5.339 0.201 7/4.5 70 45 4 7.5 4.547 3.570 0.226 5 5.609 4.403 0.225 6 6.647 5.218 0.225 7 7.657 6.011 0.225 (7.5/5) 75 50 5 8 6.125 4.808 0.245 6 7.260 5.699 0.245 8 9.467 7.431 0.244 10 11.590 9.098 0.244 8/5 80 50 5 6.375 5.005 0.255 6 7.560 5.935 0.255 7 8.724 6.848 0.255 8 9.867 7.745 0.254 9/5.6 90 56 5 9 7.212 5.661 0.287 6 8.557 6.717 0.286 7 9.880 7.756 0.286 8 11.183 8.779 0.286 10/6.3 100 63 6 10 9.617 7.550 0.320 7 11.111 8.722 0.320 8 12.584 9.878 0.319 10 15.467 12.142 0.319 10/8 100 80 6 10 10.637 8.350 0.354 7 12.301 9.656 0.354 8 13.944 10.946 0.353 10 17.167 13.476 0.353 11/7 110 70 6 10.637 8.350 0.354 7 12.301 9.656 0.354 8 13.944 10.946 0.353 10 17.167 13.476 0.353 12.5/8 125 80 7 11 14.096 11.036 0.403 8 15.989 12.551 0.403 10 19.712 15.474 0.402 12 23.351 18.330 0.402 14/9 140 90 8 12 18.038 Screwdriver Bit With Magnetic Coil