Mechanics Length Left Hand CobaltStyle: 1880 P StrawOxide 135° Split Cobalt M StraightShank S K H ASMEB94.11M Note Superior rigidity in portable drilling. order number drill decimal overall flute 1880 diameter equivalent length length Straw Oxide 5/64.078121C30505 7/64.10942-3/161C30507 1/8.12502-1/41-1/16C30508 5/32.15622-9/161-1/4C30510 3/16.18752-7/81-1/2C30512 7/32.21883-1/81-5/8C30514 1/4.25003-5/161-3/4C30516 9/32.28123-9/162C30518 19/64.29693-5/82-1/16C30519 5/16.31253-3/42-1/8C30520 11/32.34383-15/162-1/4C30522 3/8.37504-1/82-3/8C30524 13/32.40634-3/82-1/2C30526 7/16.43754-9/162-5/8C30528 15/32.46884-3/42-3/4C30530 1/2.500052-7/8C30532
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