适用于通孔而且切屑连接一起的材料,攻牙之后需要进行电镀或热处理的场合。比一般的有效径尺寸加大30
um的先端丝锥。(星亿实业 www.sing-yi.com.tw)
Suitable when plating
or heat treating materials from which chips
are continuously ejected via a through hole
after tapping Gun tap oversized in effective
diameter by 30 microns. |