20pcs, 11/64", Cobalt Twist Drill Bits

Material: 5% Cobalt M35 High Speed Steel. * Angle Point: 135 Degree. * Shank Type: Straight and Round Shank * Specification Met: ANSI. * Hardness: 65-66 Rockwell. High Speed Steel: * High speed steel construction provides ultimate durability, the cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean. Twist Design: * The split point tip and twist design increases cutting speed while easy self centering prevents walking. Say bye to all those chips and particles, with the twist design the drill bit can quickly clears them out, and leaves a clean, smooth hole. * Not For Use On Concrete, Masonry.

• 20PCS,11/64" Inch HSS Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.
• High Quality Material- High Speed Steel Cobalt -M 35 Cobalt Steel Best Material.
• Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel
• 135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface
• High Efficiency In Drilling Metals, and Stainless Steel