Sizes other than listed priced on application A2 482 Precision Ground and Polished Drill Rod AISI/SAE A2 is a more highly alloyed tool steel that provides excellent wear resistance and toughness and good machinability. Heat Treatment and Tempering Data available upon request A2 482 Precision Ground and Polished Drill Rod Nominal Analysis (AISI A2) Carbon ............................................................................. 1.00 Chromium ........................................................................ 5.25 Manganese ...................................................................... .60 Molybdenum .................................................................... 1.00 Silicon .............................................................................. .40 Vanadium ......................................................................... .25 Precision Drill Rod Tolerances Size Range Diameter Length .124" round and less ± .0003" + 1/8"- 0 .125" to .499" ± .0005" + 1/8"- 0 .500" to 2" ± .0010" + 1/8"- 0 Fractional Sizes Diameter in Decimal 36" Length 1/16 0.0625 68662 5/64 0.0781 68663 3/32 0.0938 68664 7/64 0.1094 68665 1/8 0.1250 68583 9/64 0.1406 68666 5/32 0.1563 68631 11/64 0.1719 68667 3/16 0.1875 68584 13/64 0.2031 68668 7/32 0.2188 68632 15/64 0.2344 68669 1/4 0.2500 68585 17/64 0.2656 68670 9/32 0.2813 68633 19/64 0.2969 68671 5/16 0.3125 68586 21/64 0.3281 68672 11/32 0.3438 68634 23/64 0.3594 68673 3/8 0.3750 68587 25/64 0.3906 68674 13/32 0.4063 68675 27/64 0.4219 68676 Fractional Sizes Diameter in Decimal 36" Length 7/16 0.4375 68588 29/64 0.4531 68677 15/32 0.4688 68678 31/64 0.4844 68679 1/2 0.5000 68589 17/32 0.5313 68680 9/16 0.5625 68590 19/32 0.5938 68681 5/8 0.6250 68591 21/32 0.6563 68682 11/16 0.6875 68592 23/32 0.7188 68683 3/4 0.7500 68593 13/16 0.8125 68594 7/8 0.8750 68595 15/16 0.9375 68684 1 1.0000 68596 11/16 1.0625 68685 1-1/8 1.1250 68597 1-1/4 1.2500 68598 13/8 1.3750 68686 1-1/2 1.5000 68599 13/4 1.7500 68687 2 2.0000 68688 569 starrett.com F la t S tock and D rill R od