HSS Stub Drills, Letter, Qualtech
- 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 ideal for production, maintenance or portable drilling jobs
- For use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood
- Surface treated with abrasion-resistant black oxide
- Manufactured to National Aerospace Standard 907
- 135° split point tip for fast penetration and accurate drilling
- 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.
- Round shank for use in a wide range of tool holding systems