Carevas 5pcs High Speed Steel 4241 Step Drill Bit Set Kit Round Shank Pagoda T-wist Drills Drilling Tool with Storage Box for Workpiece Portable

This set of step drills made of superb steel material. Different specifications can meet different drilling requirements. What are you waiting for? Just come and buy. Features: Made of superb high speed steel wear resistant reliable and long-lasting. Double g-roove design for faster and smoother cutting provides you better use experience. Divserse specifications can meet different drilling needs. size and weight make it portable and space-saving for storage. Suitable for workpiece with hardness is less than 25° such as carbon steel iron plate aluminum plate pvc plate wood board and so on. Specifications: Material: high speed steel 4241 Color: yellow Quantity: 5pcs Type: 1 2 (optional) Size: 14 to 1-38 (10 ): 14 38 12 58 34 78 1 1-18 1-14 1-38 316 to 78 (12 ): 316 14 516 38 716 12 916 58 1116 34 1316 78 14 to 34 (9 ): 14 516 38 716 12 916 58 1116 34 18 to 12 (13 ): 18 532 316 732 14 932 516 1132 38 1332 716 1532 12 316 to 12 (6 ): 316 14 516 38 716 12 Shank diameter: 14 to 1-38 : 8mm / 0.3in 316 to 78 : 8mm / 0.3in 14 to 34 : 8mm / 0.3in 18 to 12 : 6mm / 0.2in 316 to 12 : 6mm / 0.2in Package size: Type 1: 150 * 110 * 40mm / 5.9 * 4.3 * 1.6inches(Length * Width * Height) Type 2: 90 * 70 * 70mm / 3.5 * 2.8 * 2.8inches(Length * Width * Height) Package weight: Type 1: 480g / 1.1lb Type 2: 300g / 10.6ounce Package list: (optional) Type 1: 5 * Step Drill 1 * Aluminum Box or Type 2: 5 * Step Drill