29 Pieces Drill Set 29Pcs/29-Piece Twist Drill Bit Set 8% Cobalt HSS M4. 7.87 x 4.72 x 2.36 inches; 2.9 Pounds. Drill bits include: 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 inch, 1/16 (0.0625) to 1/2″ (0.5) in 1/64″ increments. Premium 8% Cobalt High Speed Steel M42 (Hardness up to HRC66) provides all drills power cutting, impressive performace and long tool life. Precision fully ground edges and flutes ensure fast drilling, excellent chips moving smoothly and ultimate accuracy. Golden surface finish resists corrosion and increases the hardness of the drill bits for cutting hard steel, other metals, wood, and plastic. 135-degree split point prevents “Walking”, reduce logging, and penetrates hard material without a pilot hole. All drills can be used for cutting metal, plastic, wood, etc. Quality high speed steel M2 ensures sharp and fast execution in any material for clean results. Premium Heat treated is durable and can withstand heavy duty operation for a long tool life. Black Oxide and Golden Dual Surface Treatment holds up lubricant better for smoother drilling. Precision ground with geometry of 135 degree chisel with split point for quick penetration and an accurate start. Is a cutting tools distributor in New York to meet a wide range cutting demand of customers in today markets, which include automotive, aerospace, electronics, medical, printed circuit boards, optical industries, and more. Maintains the leading spirit in supply of standard and custom-made high performance cutting tools, such as Polycrystalline diamond (PCD), Polycrystalline Cubic Boron Nitride (PCBN), Carbide, High Speed Steel (HSS) Tools, Hole Saws, Diamond Wheels, etc for machining ferrous, non-ferrous, composite, fiberglass, and carbon fiber materials. We offer our products worldwide, unless otherwise restricted by our suppliers In addition. Offers re-sharpening services and custom tooling solutions. Warmly welcomes everyone to visit our Amazon Store, and honestly appreciates everyone very much to give a cooperative chance to discuss your requirement. You can always rely on. MaxTool slogan is Consistent Quality. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.