EASTPACE 29Pcs Cobalt Drill Bit Set 1/16"-1/2", HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood

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.