comoware cobalt drill bit set- 15pcs m35 high speed steel twist jobber length for hardened metal, stainless steel, cast iron and wood plastic with indexed storage case, 1/16"-3/8" comoware <p><b>specifications: </b></p> <p><b>material:</b> m35 5% cobalt hss </p> <p><b>angle point:</b> 135 degree split point flute type: 2 spiral flute </p> <p><b>shank type:</b> round straight shank </p> <p><b>standard:</b> jobber length cutting </p> <p><b>direction:</b> right hand </p> <p><b>size:</b>1/16" 2pc,5/64" 1pc ,3/32" 2pc,7/64" 1pc,1/8" 2pc ,9/64" 1pc, 5/32" 1pc, 3/16" 1pc, 7/32" 1pc, 1/4" 1pc, 5/16" 1pc, 3/8" 1pc. </p> <p>comoware drill bit set is made from cobalt high-speed steel for proven capability and durability. the cobalt jobber drill bits manufactured from m35 high-speed steel containing 5% cobalt which is ideal for drilling in tough metal. jobber length twist drill bits, the most common length of the twist drill bit, offer a good compromise of length and reach to work with the widest range of materials and applications. the round shank accommodates most drill chucks. the cobalt twist drill bits come in a durable plastic case designed to keep all components organized and allow for easy transportation.</p>