Bordo Bordo 2006-5/16 Jobber Drill Bits 5/16" 5pcs Bordo 2006-5/16 Jobber Drill Bits 5/16" 5pcs Features: Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt... RRP Was Now $35.00 Add to Cart