- Jobber Length Twist Drill Bits with Straight Shank excel at drilling through metal, plastic, and wood, making them a versatile choice for various projects. - Crafted from cobalt high-speed steel, these bits are exceptionally hard and sharp, ensuring efficient cutting performance and an extended tool life, even in demanding applications. - All dimensions and tolerances adhere to ASME/ANSI B94.11M standards or USCTI guidelines, guaranteeing reliability and precision. Available in Wire Gauge sizes No 1 to No 60, these bits meet a wide range of drilling needs. - The fully ground finish and precision surface design facilitate effective chip removal, while the 135-degree chisel angle with a split point ensures a precise start for quick penetration, reducing the risk of walking and binding. Use Scenarios: 1. Ideal for metal fabrication projects where accuracy and durability are crucial. 2. Perfect for woodworking tasks that require clean, precise holes without splintering. 3. Excellent for crafting plastic components, providing a smooth finish and reliable performance.