The quick change tool post is a key accessory for machine tools, consisting of a tool post and various tool holders. Based on workpiece processing requirements, appropriate tool holders can be selected to perform turning, facing, cutting, drilling, reaming, boring, and other operations. It allows tool mounting outside the machine, enabling fast tool exchange, high accuracy, and strong rigidity. It serves as a reliable alternative to square turrets. Features: - High accuracy design ensures repeatable precision - Quick and easy installation on lathes, benches, or towers for a wide range of operations - Stud size M-10, compatible with most mini machines (modifications such as sleeve or center rod may be required for some models) - Reduces setup time with instant switching between operations - Fully interchangeable with Aloris, Dorian, Phase II, Yuasa, and most other standard components - All working parts are precision-machined and hardened - Sealed construction for maintenance-free operation - Provides excellent rigidity for smooth turning with minimal chatter or vibration - Enables drilling using carriage power instead of manual feed or tailstock - Hardened tool post design for easy centering Specifications: - Material: Steel - Color: Black - Lathe swing: 6-9 inches - Application: Turning tool - Usage: CNC machine tool accessory - Type: 250-000, 250-001, 250-002, 250-004, 250-007, 250-010 (optional) - Tool capacity: - 250-000: 1/2" wedge-type tool post - 250-001: 1/2" turning tool holder - 250-002: 1/2" boring and turning tool holder - 250-004: 3/8" and 1/2" heavy-duty boring bar holder - 250-007: 1/2" parting tool holder - 250-010: 1/2" knurling and turning tool holder Package dimensions: 145 x 80 x 55mm / 5.7 x 3.1 x 2.2in Package weight: - 250-000: 739g / 1.6lb - 250-001: 159g / 5.6oz - 250-002: 157g / 5.5oz - 250-004: 367g / 12.9oz - 250-007: 243g / 8.6oz - 250-010: 271g / 9.6oz Usage details: - 250-001: Quick-change holder for lathe cutting tool bits up to 1/2 inch. Designed to work with 250-000 wedge-type tool post - 250-002: V-groove design holds round shank boring bars and square tool bits for facing, external turning, cutting, and boring - 250-004: Accepts straight shank tools for drilling, reaming, and boring. Includes split bushing for small diameter bars. Provides extreme rigidity and smooth cutting with no chatter - 250-007: Holds square tools for slotting and cutoff operations - 250-010: Suitable for knurling; when used with square tools, can perform facing, external cutting, and boring Packing List: 1 x Tool Post / Tool Holder