#39 HALF ROUND HSS JBRS DRILL - TTC PRODUCTION
118° Point Straight Shank Right Hand Bright Finish & Fully Ground
- For drilling operations in soft materials that can frequently clog the standard helical flutes with chips.
- For use on soft non-ferrous metals such as brass, copper, and soft aluminum. Non-metallic materials, such as rubber, fiber, and paper may also be machined with these drills.
- May be used with hand held manual drills and either portable or stationary machines.
- Greater chip clearance for deep drilling.
- Finer finish at higher cutting speeds.
- Greater accuracy by minimizing off center problems and drill run-off in deep holes.