硬质合金钻头（外冷）参数

硬质合金钻头（外冷）使用特点Use features

用于：灰铸铁、球墨铸铁、不锈钢、结构钢、合金钢等常见材 料的加工，定心能力强，稳定的尺寸精度和良好的表面质量。

For: gray cast iron, nodular cast iron, stainless steel, structural steel and alloysteel materials, centering capability is strong, stable dimensional accuracy and good surface quality.

制造特点 Manufacturing characteristics

刃部公差(Cutting edge tolerance): m7

排屑槽型(Chipgroove):特殊设计，便于排屑(Specialdesign,easy to chip removal)

横刃制造(Chisel edge manutacturing):横刃修正(Chisel edge correction)

柄部形式(Shank form): DfN6535HA h6 

涂层(Coating): He/NaNo