Arbors

Zhenghao offers a range of precision arbors and extension holders for CNC and conventional machining applications. Our product line includes Morse taper arbors (MT2 through MT5), straight shank ER collet extensions for increased tool reach, reducing sleeves for taper conversion, and precision test bars for spindle inspection. All arbors are manufactured from high-quality alloy steel with hardened and precision ground surfaces, ensuring reliable concentricity and secure taper engagement. Custom lengths and specifications are available upon request.