diameter d_1 , in mm dimension a , in mm diameter d_2 h8, in mm thread d_3 , in mm diameter d_4 h13, in mm diameter d_5 , in mm dimension e , in mm dimension l_1 ≈, in mm dimension l_2 , in mm dimension l_3 , in mm dimension r_1 ≈, in mm dimension r_2 , in mm dimension r_3 ≈, in mm dimension r_4 , in mm Weight of a steel handle, in kg 10 1.4 4 M4 7 5 12 32 7 4 2 20 9.5 0.4 0.012 13 1.6 5 M5 8 6.5 15 40 9 5 2.5 24 14.5 0.4 0.027 16 2 7 M6 10 8 18 50 11 7 3 28 19 0.4 0.049 20 2.5 8 M8 13 10 24 64 13 8 4 40.5 21 0.6 0.086 25 3 10 M10 16 13 30 80 14 10 5 50 31 0.6 0.18 32 3 13 M12 20 36 100 21 13 6 56 40.5 0.6 0.36 36 3.5 16 M16 22 42 112 26 14 7 68 41 0.6 0.51