99国内精品久久久久久久,性瘾校草被c呻吟双腿大张bl,国产农村一二三区,久久人人爽人人爽人人片av高请,亚洲欧美中文字幕在线一区,亚洲色婷婷综合久久,久久亚洲精品成人无码网站,久久人妻少妇偷人精品综合桃色,国产涩涩视频在线观看

Tap Made Complete Equipment
SB722A/K	Semi-automatic tap relieving	M20×110	Taps can be ground by using single-thread grinding method,and their backing-off angles also can be ground.
SK722A	NC tap relieving grinder	M20×110	Taps can be ground by using single-thread grinding method,and their backing-off angles also can be ground.
SK725	NC tap relieving grinder		It can grind threads or back angle of taps. It also can extrude and grind taps.
MZ9720	Full-automatic tap square end  grinder	M20	It is specially used for grinding square end of taps.
M968	Tap flutes grinding machine	M8	It can directly ground standard straight flutes on hardened tap blank.
QH2-070	Tap sharpen grinder	M6	It can grind outer centres on both ends of small tap.
M9530	Tap relief grinder	M20	It is special used for grinding taper on the tip.