Z1t-R3 Electric Pipe Threading Machine Tube Threader with Working Range 1/2"-3". Heavy Duty Construction: Designed as a heavy type machine for robust pipe threading operations. Wide Working Range: Handles pipe sizes from 1/2 inch to 3 inches efficiently. High Speed Performance: Rated speed of 27 RPM ensures fast and efficient thread cutting. HSS Die Material: Equipped with High-Speed Steel dies for durability and precision. BSPT Thread Standard: Supports British Standard Pipe Taper (BSPT) thread types. Automatic Cooling System: Integrated cooling system automatically sprays oil during operation. Complete Accessory Kit: Includes dies, oil, screwdriver, and legs for immediate use. Flexible Customization: Offers full, minor, and flexible customization options from samples or designs.