• 100x more holes and 8x faster than titanium- or black oxide-coated bits
• Ultra-hard Mach-Blue coating maintains sharper cutting edges
• Reduces heat build-up and friction when drilling
• Durable drill with extended life, precision holes, increased speed and productivity in tough drilling applications
• 1/4" hexagon is impact-resistant and won’t slip in conventional 3-jaw chucks
• Ideal for quick-change percussion drills
• Optimized 137° crosscutting geometry and self-centring won’t shift, even in pre-soaked or curved surfaces
• M-series tool steel alloy construction and exclusive heat treatment increase durability, rigidity and breaking strength
• Ideal for drilling stainless steel, mild steel, aluminum, wood, stacked materials and other hard-to-drill alloys
• Made in the USA
• Dimensions (Dia x L): 5/16" x 4"