Features: Efficient drilling:The 6.35mm hex shank twist drill made of high speed steel provides efficient drilling capability, allowing for quick penetration through various materials. Hex shank design:Designed with a hex shank, this product offer better grip and stability, ensuring convenience and safety during use. Suitable for woodworking enthusiasts:for individuals engaged in woodworking and home renovations, this high speed steel twist drill with a 6.35mm hex shank provides convenient drilling and hole making operations, offering an enhanced user experience. Versatile applications:This twist drill bit is suitable for various materials such as wood, metal, and plastic, making it widely applicable in home decoration and mechanical maintenance field. Reliable tool for mechanical repairs:A reliable tool for professional workers involved in mechanical or electronic equipment repairs, this product can be used for hole repair, disassembly, and installation of component, providing convenience and efficiency. Specifications: Material:High Speed Steel Option Type:1x2mm Diameter Twist Drill Bit,1x2.3mm Diameter Twist Drill Bit,1x2.5mm Diameter Twist Drill Bit,1x2.8mm Diameter Twist Drill Bit,1x3mm Diameter Twist Drill Bit,1x3.2mm Diameter Twist Drill Bit,1x3.5mm Diameter Twist Drill Bit,1x3.8mm Diameter Twist Drill Bit,1x4mm Diameter Twist Drill Bit,1x4.2mm Diameter Twist Drill Bit,1x4.5mm Diameter Twist Drill Bit,1x4.8mm Diameter Twist Drill Bit,1x5mm Diameter Twist Drill Bit,1x5.5mm Diameter Twist Drill Bit,1x6mm Diameter Twist Drill Bit, 1x6.5mm Diameter Twist Drill Bit, Shank Diameter:Approx.0.635cm/0.25in Package Includes: 1xTwist Drill Bits note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.