Premium Black and Gold: Made from high-speed steel with a black and gold oxide coating, which increases wear-resistance and durability. making them be particularly suitable for drilling through tough materials.
Fast and Efficient: 135° Split Point Design and Fully Ground Process for faster cutting,self-centering to prevent walk-off, and faster chip and particle removal.
29 Pieces Drill Bit Set Includes: 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8",25/64",13/32",27/64",7/16",29/64",15/32",31/64",1/2", with a index metal box for easier storage.
Wide Application: Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals.
Warms Tips: Pay attention to speed, pressure and heat control during drilling. If you have any questions, please refer to us and we will happy to serve you.