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发明名称
钻孔工具
摘要
本发明之课题在于,提供一种实用性极优异的钻孔工具,就算做成极小径的钻孔工具仍不容易折损,不须进行频繁地更换,形状简单而容易进行制造及检查。本发明的解决手段,系具备一或复数个螺旋状的切屑排出槽1、2之钻孔工具,在前端部设置不存在与工具中心轴交叉的棱线之平坦的前端面5。
申请公布号
TW200900183
申请公布日期
2009.01.01
申请号
TW097116820
申请日期
2008.05.07
申请人
佑能工具股份有限公司
发明人
大内清明;风间悠作;山贺拓真
分类号
B23B51/02(2006.01);B23B51/00(2006.01)
主分类号
B23B51/02(2006.01)
代理机构
代理人
林志刚
主权项
地址
日本
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