- Jobber Length Twist Drill Bits with Straight Shank are ideal for precision cutting in metal, plastic, and wood, making them versatile tools for various projects. - Crafted from cobalt high-speed steel, these drill bits are exceptionally hard and sharp, ensuring efficient cutting performance and extended tool life. - All dimensions and tolerances meet ASME/ANSI B94.11M standards or those of the United States Cutting Tool Institute (formerly MCTI), guaranteeing reliability. Available fractional sizes range from 1/16” to 17/32”. - The fully ground process and precision surface finish facilitate excellent chip removal, while the 135-degree chisel angle with a split point ensures accurate starts for quick penetration, reducing walking and binding. Use Cases: 1. Perfect for professional metalworking, these drill bits can effortlessly create precise holes in steel and aluminum. 2. Ideal for woodworking projects, they provide clean and accurate cuts in hardwood and softwood materials. 3. Excellent for DIY enthusiasts, allowing easy drilling into plastic for home improvement tasks.