博世麻花钻G4.5MM/10支装Bosch twist drill G4.5MM/10 stickB

$6.73

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Description

 博世麻花钻G4.5MM/10支装
       麻花钻是通过其相对固定轴线的旋转切削以钻削工件的圆孔的工具。因其容屑槽成螺旋状而形似麻花而得名。麻花钻是通过其相对固定轴线的旋转切削以钻削工件的圆孔的工具。因其容屑槽成螺旋状而形似麻花而得名。螺旋槽有2槽、3槽或更多槽,但以2槽最为常见。麻花钻可被夹持在手动、电动的手持式钻孔工具或钻床、铣床、车床乃至加工中心上使用。钻头材料一般为高速工具钢或硬质合金。
       标准麻花钻。麻花钻由柄部、颈部和工作部分组成。
Bosch twist drill G4.5MM/10 stickB
A twist drill is a tool that cuts a circular hole of a workpiece by rotating it with respect to a fixed axis. It is named because its chip flute is spiral and shaped like a twist. A twist drill is a tool that cuts a circular hole of a workpiece by rotating it with respect to a fixed axis. It is named because its chip flute is spiral and shaped like a twist. The spiral groove has 2 slots, 3 slots or more slots, but 2 slots are most common. Twist drills can be clamped to manual, electric hand-held drilling tools or drill presses, milling machines, lathes and even machining centers. The bit material is generally high speed tool steel or cemented carbide.
Standard twist drill. The twist drill consists of the handle, the neck and the working part.

Additional information

Dimensions 8 × 0.45 × 4.7 cm

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