Jobber Drill, Standard, List Number 150, Number of Pieces 1, General Purpose Grade, High Speed Steel, Black Oxide Finish, Conventional Point, Drill Point (Deg.) 118, Fractional Size (In.) -, Metric Size 4.50, Decimal Equivalent 0.1772, Flute Length (In.) 1-55/64, Flute Length (mm) 47, Overall Length (In.) 3-1/8, Overall Length (mm) 80, Shank Dia. (In.) 0.177, Shank Dia. (mm) 4.50, For Carbon Steel And Cast Iron, Meets/Exceeds -, Sizes Included -
General Purpose Jobbers Length HSS Drills, 118
- Black oxide drills are for steel, stainless steel, and cast iron. Bright finish drills are for low carbon and softer metals such as aluminum. Left-hand helix drills are for machine spindles rotating counter-clockwise. Black oxide List#150K split point drills eliminate walking. TiN coated drills are for alloy steel, stainless steel, cast iron, brass, bronze, plastic and fiberglass.
- Conventional point with the exception of List# 150K, which is split point