Enhance your drilling projects with this high-quality Self Tighten Drill Chuck, designed for secure and reliable performance. Crafted from durable iron, this drill chuck features a robust all-metal shell with a knurled surface for superior grip and high friction, preventing slips during operation. Its ergonomic self-tightening design ensures stable clamping without loosening, providing a safer and more efficient working experience. Key Features: · **Self Tightening Design:** Built-in self-locking mechanism offers a firm grip on drill bits, preventing slippage and loosening for stable and precise drilling. · **Wide Clamping Range:** Accommodates drill bits from 2mm to 13mm (0.08 to 0.51 inches), making it compatible with a variety of drills and suitable for diverse applications. · **Three Connecting Rods Included:** Comes with three types of connecting rods, allowing flexible installation and compatibility with different drill setups. · **High Friction Knurled Metal Shell:** The all-metal chuck body with knurled design provides excellent grip, high strength, and durability, ensuring long service life and reliable performance even during extended use. · **Easy Installation and Removal:** Designed for quick and convenient mounting, saving time and effort without the need for complex tools or procedures. · **Compact and Durable:** With a chuck diameter of approximately 43mm (1.69 inches) and length of 58mm (2.28 inches), this drill chuck is both sturdy and easy to handle. Specifications: · Material: Iron · Chuck Diameter: Approx. 43mm / 1.69in · Chuck Length: Approx. 58mm / 2.28in · Connection Size: 1/2-20UNF · Clamping Range: Approx. 2 ~ 13mm / 0.08 ~ 0.51in Package Includes: · 1 x Self Tighten Drill Chuck · 3 x Connecting Rods This Self Tighten Drill Chuck is an essential accessory for anyone seeking a reliable, durable, and easy-to-use chuck that delivers stable clamping and high performance across a wide range of drilling tasks.