• Magnum will substantially outperform cobalt drills in work hardening stainless steel and other tough drilling applications
• Drills are heat treated at 218 deg F and then nitro-carburized
• Low temperature stress relief improves lubricity and toughness
• Body and clearance are gold surface treated for maximum lubricity

Norseman Drill 05740 Jobber Length Drill Bit, Type 190-AG, Heavy-Duty, Fractional Drill Size: 5/16 Inch, Point Angle: 135 deg, Point Type: Split, Molybdenum High Speed Steel, Black And Gold, Flute Length: 3-3/16 Inch, Number of Flutes: 2, Shank Diameter: 5/16 Inch, Shank Length: 1-1/3 Inch, Overall Length: 4-1/2 Inch