5/16" x 3-15/16" Black Oxide Drill Bit, 1/4" Shank

Designed for use with today′s high-torque drills and impact drivers, and engineered for added durability for longer service life. The durable one-piece design is constructed with High Speed Steel (HSS), with a 1/4" hex shank for use with impact drivers and driver-drills. Makita black oxide drill bits are ideal for drilling holes in ferrous metal, wood, plastic, non-ferrous metal, and cast iron.

Features:

• 135° split point geometry for fast starts and reduced walking
• 1/4" hex shank works directly with impact drivers and driver-drills
• Durable one piece design
• Black oxide coating for added corrosion resistance
• High Speed Steel (HSS) construction for added durability and long life
• For drilling holes in ferrous metal, wood, plastic, non-ferrous metal and cast iron