M7 and M8 Threaded Chuck – Quick Change Rotary Tool Accessory Upgrade your rotary tool efficiency with this M7 and M8 threaded chuck, designed for fast, reliable bit changes without swapping collets. Ideal for precision projects in compact or mobile workspaces. Key Features and Benefits: Compatible with corded rotary tools using 1/32 inch to 1/8 inch shank bits, eliminating the need to change collets between bit swaps for quicker workflow. Quick change mechanism with a keyless threejaw design and heavily knurled grip for easy tightening and loosening by hand, even in tight spaces or on job sites. Clamping range of 0.3 mm to 3.4 mm holds small drill and accessory bits securely with precise alignment, reducing slippage during speed operation. Constructed from heattreated, tempered carbon steel for durability and consistent performance at speeds up to 35,000 rpm. Dual screw compatibility works with both M7x0.75 mm and M8x0.75 mm threaded shafts, providing flexible setup options across multiple rotary tool models. Black oxide finish helps resist corrosion and wear for extended service life. Practical Uses: 1. Intricate woodworking or carving projects where quick bit changes improve productivity and reduce downtime. 2. Onsite repairs or smallscale fabrication work requiring reliable, secure bit holding in portable conditions. 3. Detailed jewelry making, model building, or craft applications where precision alignment and secure clamping are essential at rotation speeds. This M7 and M8 threaded chuck offers a professionalgrade solution for anyone needing fast, secure, and versatile bit changes on compatible rotary tools. Its durable carbon steel build and dual threading compatibility make it a dependable choice for hobbyists, craftsmen, and technicians alike.