- CARBON STEEL MATERIAL: Chuck key are made of sturdy solid carbon steel with black coating, durable rust and corrosion resistant. 1/2-20UNF drill bit, 0.39” square shank locking key with high precision threads and taper tight, with rust-resistant cr coating and sleeve electrophoretic enamel coating, high hardness, widely used for heavy duty drilling work, such as drilling holes in walls or stones.
- 3 DIFFERENT SIZES: You will receive 4pcs drill chuck key wrenches, 1pc 1/2-20UNF drill chuck and 1pc square shank locking key, chuck diameter: 5/8“ (16mm) / 1/2” (13mm) / 3/8” (10mm). Drill chuck clamping range: 1.2” (1.5-10mm). Meet all kinds of drill chuck tightening and loosening needs.
- WIDE APPLICATION: The drill press chuck key wrench set is compatible with most power tool brands. Suitable for electric motorcycles, electric hand drills, aviation drills, air drills, bench drills, machine tools and so on. Ideal gift for do-it-yourself projects, home improvement needs, large construction projects, or handyman who needs to lock the drill bit securely in the drill.
- FUNCTIONAL AND PRACTICAL - The thumb drill press accessories can be used in hammering or drilling mode. Replacement drill chuck key is a power drill clamping tool perfect for tightening or loosening chucks for quick drill bit head changes.1/2 inch square female adapter allows for easy drilling or sharpening in seconds.
- COMPACT DESIGN FOR EASY STORAGE - Compact key and drill adapter tool is easy to store and use. Applicable products: hand drills, hammer drills. Ideal tool kit for holding drill bits, perfect replacement for lost or damaged chuck keys.