JET Super Premium Cobalt Jobber Drill Bits Size:5/16" DCS570 uses a 7-1/4" blade

DCS570 uses a 7-1/4" blade to provide 2-9/16" Cutting Capacity at 90 degrees

all-metal ball-bearing slides

Each segment has deeply etched grooves for easy

Wind Energy

JET Super Premium Cobalt Jobber Drill Bits Size:5/16" DCS570 uses a 7-1/4" bladeThe JET Cobalt Super Premium Cobalt Jobber Drill Bits are heavy duty bits made for drilling hard tough metals: free machining stainless steel, high temperature alloys, titanium and certain plastics. Their high red hardness allow 30% higher drilling speeds over regular high speed steel drill bits. Sizes 5 16" 5 32" Features Razor sharp 135 split point self centering tips, eliminating walking and the need for center punching Superior bronze oxide (gold)