21/32" Cobalt Split Point Stub Drill Bit Shopify Collective and a pilot that is

and a pilot that is interchangable

The tip of the hook comes to a sharp 30-degree tapered point to keep the strength as close to the tip as possible

Part Number: 87C450HSBA325G/PT

External Thread: M8-1

Part Number DWTH112-18NPS

21/32" Cobalt Split Point Stub Drill Bit Shopify Collective and a pilot that isProduct 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