Material and build All steel construction provides long life and precision, favored by workers and diy designers for reliability and durability. Thread options and compatibility Available in multiple thread sizes to fit a range of machines: M33 x 3.5, M18 x 2.5, and 1 inch x 8 TPI. Specifically designed for wood machines with the M33 x 3.5 thread, enabling secure mounting of chucks and related accessories. Plate outside diameter options 2 inch (50 mm) 3 inch (75 mm) 4 inch (100 mm) 6 inch (150 mm) Choose the plate size that matches your chuck and workpiece requirements. Key features precision performance for wood turning applications Chuck flange front plates available in 2', 3', 4', and 6' sizes to suit different chucks and tooling setups Strong conversion capability to expose or adapt to the appropriate spindle thread on wood machines Specifications at a glance Material: All steel Thread sizes: M33 x 3.5, M18 x 2.5, 1' x 8 TPI Plate outside diameters: 2' (50 mm), 3' (75 mm), 4' (100 mm), 6' (150 mm) Applications and use scenarios Wood turning on a lathe with M33 x 3.5 spindle thread: select the appropriate front plate size (2', 3', 4', or 6') to mount a chuck securely and achieve precise turning. Diy designer projects: choose the matching plate size and thread option for compatibility with your target spindle to adapt and convert chucks for custom woodworking setups. Hobbyist or small workshop setups: swap between plate sizes to accommodate different workpiece diameters, enabling efficient turning of pens, spindles, bowls, or other wooden components while maintaining alignment and stability.