General description This Dormer A170 Parallel Shank Drill is a high-quality spiral drill bit designed for metalworking. It features a standard helix, right-hand spiral, and is often referred to as a Blacksmith's drill. With a 1/2″ reduced shank and a tip diameter of 18mm, this general-purpose drill is ideal for a wide range of materials where chuck holding capacity is limited. It is suitable for both hand and machine use, making it versatile for various applications. Technical specifications Diameter: 18mm Shank size: 1/2″ reduced shank Total length: 157mm Cutting length: 84mm Point angle: 118° Material: High-speed steel (HSS) Coating: Vapor-hardened Tolerance: h8 Compatibility and accessories Compatible with standard drill chucks that accept 1/2″ shank Suitable for drilling in steel and other metals Installation Insert the drill bit into a compatible drill chuck, ensuring it is securely tightened Use appropriate safety equipment before operation Usage Designed for drilling in steel