Hyjoy 29Pcs Cobalt Drill Bit Set, 135 Degree Tip -Speed Steel with , for Steel, Plastic and Wood with Metal Indexed Storage Case 1

Sizes: 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", /64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", /64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" bits. Material: The combination of -speed steel and increases drill bit' corrosion resistance and wear resistance. : Round straight shank, Self-centering design avoids wandering, fully ground ensures by reducing friction, to use for materials steel, cast iron, alloy, wood, and hard plastics. Effective : 135-degree split design, automatic centering of the quick point, low pressure, and minimized deviation, enabling smooth debris removal. Commitment: If for any reason you are not satisfied with your purchase, contact us. We offer 30-day % Satisfaction Guarantee for worry-free shopping!