DRILL CHUCKS WITH KEY TAPER MOUNT

     Yukiwa Seiko is only Drill Chucks manufacturer having the Japanese Industrial Standard (JIS) certification of Drill Chucks for machine tools (JIS B4634). For customer’s satisfaction and further qualityinprovement,we will take the management audit by the Japanese Industrial Standards preriodically.And we are makingevery effort to keep and improve the quality. (JIS certification No.JQ0308005)

     Yukiwa Drill Chucks have higher runout accuracy than specified by JIS. And according to the rule of JIS, the runouts of all our Drill Chucks are measured and the mesuring data are kept to guarantee the quality

     When chucking the cutting tools on our Drill Chuck, use the exclusive chuck key and tighten at three key holes equally to get the enough at three key holes equally to get the enough gripping torque. And Yukiwa Drill Chucks are manufactured conforming to JIS and the qualities of composing parts are controlled closely. Therefore, our Drill Chucks can hold the cutting tool stably.

     For the body, cover, nut and three jaws of Drill Chucks, the selected materials of excellent quality are used, and the proper heat-treatments are done on them. Therefore, the wear resistance is excellent and the stable accuracy is kept for a long time. And since the tapered hole is ground, the taper contact is excellent and the strong fixing on the spindle is available.