Luckyway 15/64" Cobalt Drill Bit (10 Pcs), Jobber Length Twist Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Storage Case

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About This DIMENSIONS - This Luckyway M35 Cobalt Drill Bits set includes 10PCS 15/64" Jobber length twist drill bits, conveniently packed in a durable plastic storage case for easy organization and portability. APPLICATION - These M35-Cobalt drill bits are ideal for precision drilling on hard metals including stainless steel, cast iron, copper, aluminum, as well as wood and plastic, ensuring a longer service life for various projects. MATERIAL - Crafted from industry-grade M35 High Speed Steel with a 5% cobalt content, these twist drill bits feature a smooth surface, high grinding precision, and sharp edges, making them incredibly durable for extensive use. FEATURES - The 135° standard industrial double rear edge angle allows for self-centering to prevent walk-off while drilling. The double spiral cutting slot design enhances cutting performance and improves overall drilling efficiency. SHANK DESIGN - 3-Flats shank to reduce spin-out in the chuck, these jobber drill bits are compatible with all drill presses and most power tools. The unique Tri-flatted shank end locks securely onto a 3-jaw chuck, eliminating slippage during operation. TIPS - Material Level: M42(8%Cobalt)＞M35(5%Cobalt)＞M2(HSS6542)＞HSS4341＞HSS4241 Overview Material : Cobalt Cutting Diameter : 0.23 Inches Finish Type : Titanium Shank Type : 3-Flat Cutting Angle String : 135 Degrees Show more