Highlights颜色分类:3*4mm阶梯钻一支,4*5mm阶梯钻头一支,5*6.8mm阶梯钻头一支,5*8阶梯钻头头一支,5*10mm阶梯钻头一支,5-6mm阶梯钻头一支Description
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本店特制阶梯钻头
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专为门铆钉螺丝配套,HSS高速钢制作,硬度HRC61度左右
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一共是4个型号对应本店相配套的螺丝及刀型,柄径就是最大直径,阶梯径是小头直径;
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如6.8*5是指柄径及大孔孔径6.8/小头孔径5,一般会偏大5-10个丝【0.05-0.1毫米】
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长度:10*5及6.8*5是10厘米长,5*4及4*3是5厘米长
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钻头CAD示意图
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![](https://img.alicdn.com/imgextra/i4/619189670/TB2gTskm4hmpuFjSZFyXXcLdFXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i3/619189670/TB2j_i.kYFkpuFjy1XcXXclapXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i4/619189670/TB2tNvHmYBnpuFjSZFGXXX51pXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i4/619189670/TB27_wkm4hmpuFjSZFyXXcLdFXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i2/619189670/TB2Fpm7k3JlpuFjSspjXXcT.pXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i1/619189670/TB28OotmYxmpuFjSZJiXXXauVXa_!!619189670.jpg)
![](https://img.alicdn.com/imgextra/i2/619189670/TB2Ltm_k88lpuFjy0FnXXcZyXXa_!!619189670.jpg)
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