HSS BLACK OXIDE 25 PIECE DRILL SET
$79.991-13mm 25 piece BLACK OXIDE set. This set is made from the highest grade high speed steel material. Manufactured to drill consistent holes through 10mm plate steel. BLACK OXIDE coated assists with lubricity. 135° with relief ejects hot metal without damaging drill tips. There are many grades of drill bit steel and this is the highest available under cobalt. Used in general fabrication, engineering and trade use. All contained in a hard plastic containers.
