Zhejiang spindle mandrel, the mandrel spindle Huzhou, Huzhou machine test rods

Zhejiang spindle mandrel, the mandrel spindle Huzhou, Huzhou machine test stick TUNG 15100781334 Fax 0317-8030828 QQ1025679821 BT test rods JB / T9981-99 standards for manufacturing according to the machine used to test a variety of geometric precision, using high-quality carbon tool steel manufacturing, processing after several heat treatment, precision grinding Face made. The main tool used to check the accuracy of the cone and a variety of CNC machine tools and precision instruments, and the spindle taper hole inspection. BT test rods specification is divided into: BT30, BT40, BT50, BT60 and the like. Accuracy 0.003-0.005 length 300 Material tool steel