Luckyway 1/16" Cobalt Drill Bit (20 Pcs), Jobber Length Twist Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Storage Case

Key features

• DIMENSIONS - This Luckyway M35 Cobalt Drill Bits set includes 20PCS 1/16" 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

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