1/2-20UNF Keyless Chuck Self-Tightening Drill Chuck Multiple 2-13mm Drill Chuck

General description This 1/2-20UNF Keyless Chuck is designed for versatility and ease of use, featuring a self-tightening mechanism that enhances clamping force to securely hold drill bits. Its ergonomic design ensures a comfortable grip, making it suitable for long-term work. Technical specifications Collet size range: 2 to 13 mm / 0.04 to 0.51 in Diameter: 43 mm / 1.69 in Length: 71 mm / 2.8 in Connection size: 1/2-20UNF Usage Ideal for various types of drill bits Designed for easy installation and disassembly Durable construction for long service life Other information Features a good metallic texture and a comfortable coating surface Heat-treated for improved toughness and structural strength