Irwin Unibit Fractional Step Drill Bit – #1 1/4-in – Hex Shank – 13 Hole Sizes – Speed Point

Use this American Tool drill bit for all construction projects. The bit drills 1/8 in to 1/2 in dia holes in thin materials. Made of steel, the bit guarantees durability and efficiency. The unibit step drill bit is compatible with universal models and brands of drills. The bit comes with a hex shank that prevents slippage.

• 13 hole sizes
• High speed steel fractional
• Single-fluted cutting edge for greater control and rounder holes
• Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates
• 3-flatted shank won’t slip in chuck
• Speedpoint tip for fast starting
• Laser marked sizes won’t wear off with use