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发明名称
三角柄麻花钻
摘要
本实用新型涉及一种三角柄麻花钻,它由现有的钻头主体(1)改制而成,其特征在于:钻头主体(1)的钻头柄(2)上设有三个平面(3),且三个平面(3)间的夹角互为60度,三个平面(3)组成的断面呈等边三角形,等边三角形的中心与钻头主体(1)的轴线相重合。它夹紧方便牢靠,不易松动,钻孔效率高,是一种理想的三角柄麻花钻。
申请公布号
CN2394742Y
申请公布日期
2000.09.06
申请号
CN99255267.2
申请日期
1999.11.30
申请人
朱小坤
发明人
朱小坤
分类号
B23B51/02
主分类号
B23B51/02
代理机构
代理人
主权项
1、一种三角柄麻花钻,它由现有的钻头主体(1)改制而成,其特征在于:钻头主体(1)的钻头柄(2)上设有三个平面(3),且三个平面(3)间的夹角互为60度,三个平面(3)组成的断面呈等边三角形,等边三角形的中心与钻头主体(1)的轴线相重合。
地址
212312江苏省丹阳市后巷镇江苏天工集团公司
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