Precision Twist Drill 010216 General Purpose Heavy Duty Jobber Length Drill Bit, 1/4 in Drill, HSS, Steam Tempered

Precision Twist Drill Jobber Length Drill Bit, General Purpose Heavy Duty, Series: R10B, Imperial, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 4 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 2-3/4 in Flute Length, 1/4 in Shank, Straight Shank, 135 deg Point, Self-Centering/Split Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Steam Tempered, Dark Gray

• Low thrust design self-centering split point for easier penetration
• Steam oxide surface treatment for increased wear resistance and lubricity
• Recommended for tougher ferrous materials
• Applicable Materials: Magnetic soft steel, structural steel/case carburizing steel, plain carbon steel, alloy steel/hardened and tempered steel, free machining stainless steel, austenitic, ferritic + austenitic, martensitic and graphite/malleable cast iron