About this item

• Higher Quality Materials: Heavy-duty twist drill bit made of 5% Cobalt alloyed high speed steel. Bronze steam surface treatment provides a combination of hardness and toughness for wear resistance
• Product Size: Carbide drill bits are indicated in sizes. Assortment comes with a combined 13 sizes added: 1/16', 5/64', 3/32', 7/64', 1/8', 9/64', 5/32', 11/64', 3/16', 13/64', 7/32', 15/64', 1/4'
• 135-Degree Split Point & Twist Design: The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc
• Metal drill bit set for steel: Featuring 135-degree split point with round straight shank, an intelligent self-centering design which prevents walking, fully ground twist design ensuring a cooler drilling performance by decreasing friction, this drill bit set easily drills through a wide variety of materials including stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and wood
• Instructions for use: Due to the large diameter of the drill, it is need to pre-drill small hole for best results. Drill bit is a consumable item, it will not be sharp enough with prolonged use, you can be to sharped it for continue use