Silver and Deming Drill bits (Reduced Shank Drill bits) High speed steel or HSSCobalt. Size: 1/2"to 1-1/4"

Silver and deming drill bits

(reduced shank drill bits)Black oxide.Shank: 1/2 diameter, 2 1/4 long135?split point/118?standard point.Heavy duty quality constructionDesigned for drilling tough abrasive or high tensilematerials.Size: tool diameter from 1/2?to 1-1/4:USE: Allows larger tool diameter drilling using a 1/2 drill chuck.

Silver and Deming Drill bits Reduced shank drill bits