HSS Left Hand Stub Drills

Screw machine drills are also know as stub or stubby drills
Short, rugged construction performs well in a broad range of materials.
A dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families
Manufactured to National Aerospace Standard 907
135 degree split point tip for self-centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you.
Ideal for portable or machine drilling
Popular in the automotive and construction industries. They are often used in screw machine setup where spindle clearance is limited.
Features a left hand helix for screw machine applications where spindles rotate counter-clockwise. Left hand drills can also be used to drill out broken bolts
Sizes smaller than 1/16 and #52 have the 118 degree standard point