U Cobalt Split Point Stub Drill Bit BoltsandNuts.com The Inch series uses ASME

The Inch series uses ASME sizing and the Metric series uses ISO sizing for a precise fit in slotted screws

Length 7-1/8"

Part Number: 200PTDSPPABO/USA

Size 1-1/4"

Overall Length: 6-5/8"

U Cobalt Split Point Stub Drill Bit BoltsandNuts.com The Inch series uses ASMEProduct Description Cobalt screw machine drills (also know as stub or stubby drills) are manufactured to Aerospace Standard 907. The 135 degree split point is self centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in a broad range of materials in the iron and steel families. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine