Irwin - 1/2 X 6 L Cobalt Steel Drill Bit Straight Shank 1 pc

Irwin Rotary Drill Bits with Slow Spiral Flute is made with tungsten carbide tip for durability in concrete and brick. Rotary slow spiral masonry bit. Bits 7/16 in. and larger have reduced shanks.

IRWIN Silver and Deming High Speed Steel Fractional Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications. All Silver & Deming bits are 6" long and feature a 1/2" reduced shank that fits all 1/2" drills. Heavy-duty metal drilling, automotive, body shop, metal fabrication.

Irwin Rotary Drill Bits with Slow Spiral Flute is made with tungsten carbide tip for durability in concrete and brick. Nickel-plated rotary drill bits for fast, smooth performance.