BRONZE FILLED POLITEF® STANDARD EMPTY ROD DIMENSIONS TOLERANCE :  OUTER Diameter: + Inner Diameter:  - Length: + OUTER DIAMETER  (mm) INNER DIAMETER (mm) WEIGHT ACCORDING TO 1000 mm LENGTH* (gr/piece) 40% 60% 12 6 350 455         14 7 450 580         15 6 595 770 15 8 530 680         17 10 580 750         18 6 840 1080 18 10 685 880         20 8 995 1285 20 10 905 1170 20 12 805 1040         22 10 1110 1430         25 10 1660 2140 25 15 1370 1770         30 15 2155 2780 30 20 1760 2270         35 15 3080 3970 35 20 2680 3460 35 25 2160 2790         40 20 3765 4860 40 25 3245 4190 40 30 2625 3390 Different diameters and lengths can be produced upon special order. * Approximate Values.