Cobalt 13 Pcs Jobber Stainless Plastic Review

【M35 Cobalt Steel】These twist drill bit set made of high-quality M35 cobalt-containing high-speed steel, resistant to high temperature and grindingIt,which allows the drill to easily drill on hard surfaces then quickly achieve the purpose. Offer excellent performance and durabi. 【Smooth design】: With 135 degree self-centering tip, apply pressure evenly, Hardened and polished to form a sharp cutting edge, the precision grinding process provides a smooth surface and high grinding accuracy, helping you to drill through surfaces with ease. 【Chip removal chute】:Classic humanized double spiral chip evacuation groove design. The grooves-2 grooves help remove chips and debris from the drill bit, reducing friction and heat, thus achieving a faster, cooler drilling process. 【Package】: The twist diamond set comes with its own red outer box for easy storage and outer box snap hook for easy locking storage with a portable hook design. Easy to carry and fold to save bulk and easy to store. The box is marked with the inch size of each drill bit, from 1/16 inch to 1/4 inch, for easy access. 【Widely application】: This set of twist drill is especially suitable for drilling in stainless steel, cast iron, copper, aluminum alloy and other metal materials; for drilling in plastic, wood and so on. Convenient 13-piece set to meet your work needs, suitable for home renovation DIY and general industrial applications.