Download a pdf version of this data sheet for printing and future reference. (right click and select save to disk) Chrome Plated Bar Stock Size List Imperial Sizes Metric Sizes (mm) Standard Grade K1045 Induction Hardened Grade K1045 4140 Hardened & Tempered 4140 Harden & Tempered Ind/ Hardened   6 x         8 x         10 x         12 x       1/2" 12.7 x         14 x       5/8" 15.88 x         16 x         18 x       3/4" 19.05 x x x     20 x x x     22 x x x   7/8" 22.22 x x x     25 x x x   1" 25.4 x x x     28 x x x   1-1/8" 28.57 x x x     30 x x x   1-1/4" 31.75 x x x x   32 x x x   1-3/8" 34.93 x x x     35 x x x     36 x         38 x x x   1-1/2" 38.1 x x x x   40 x x x   1-5/8" 41.28 x x x   1-3/4" 44.45 x x x x   45 x x x   1-7/8" 47.63 x x x     50 x x x   2" 50.8 x x x x 2-1/8" 53.98 x x x     55 x x x     56 x x x   2-1/4" 57.15 x x x x   60 x x x     63 x x x   2-1/2" 63.5 x x x x   65 x x x   2-3/4" 69.85 x x x x   70 x x x     75 x x x   3" 76.2 x x x x   80 x x x   3-1/4" 82.55 x x x     85 x x x   3-1/2" 88.9 x x x x   90 x x x     95 x x x   3-3/4" 95.25 x x x     100 x x x   4" 101.6 x x x     105 x x x   4-1/4" 107.95 x         110 x       4-1/2" 114.3 x         115 x         120 x   x   4-3/4" 120.65 x         125 x       5" 127 x x x     130 x       5-1/2" 139.7 x         140 x   x     150 x       6" 152.4 x         160 x         200 x       Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.