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21Mm To 35Mm 1/2In Cobalt Small Shank Srill Bit Woodworking Drill Hole Expander 30Mm

<ul><li>[WEAR-RESISTANT DESIGN] These drill bits feature high toughness through quenching processes that enhance their durability against wear during extended use.</li><li>[OPTIMIZED CHIP FLUTE] The wide chip flute is designed to effectively remove debris and prevent blade overheating during operation for extended tool life.</li><li>[TIGHT CLAMPING SHANK] With a 7mm shank size, these bits for ensure a secure fit across different types of drills to maximize performance and safety.</li><li>[ USAGE IN MULTIPLE SETTINGS] Compatible with hand drills, bench drills, milling machines, and more; suitable for diverse materials from wood to metals.</li><li>[Product Service] If you have any questions about the product, please contact us in time, we will reply you as soon as possible and do our best to serve you.</li></ul>

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Features:*High toughness and higher strength: The drill bits are quenched for increased wear resistance, providing a more efficient and enduring working experience.*118° double rear angle for fast drilling: CNC precision ground double rear angle design ensures quick drilling and accurate positioning, while the keen-edged cutting edge allows for faster drilling speed.*Wide chip flute to prevent burning: The widened chip flute design promotes fast chip removal, effectively obstruct the blade from overheating and burning.*12.7mm shank for secure clamping: The drill bits come with a 12.7mm shank, a tight and secure clamping.*Wide range of applications: Suitable for machines such as hand drills, bench drills, magnetic drills, milling machines, and radial drills. Can be used with materials including 45# steel, stainless steel, square tubes, chrome steel, iron, cast iron, copper, aluminum alloy, plastic, and wood.Specifications:*Part Name:Cobalt small shank drill bit*Material:steel*Size:As Pictures Show*Color:copperPackage Content:1xdrillNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.