麻花钻头
材质：含钴高速钢M35（表面镀钛）
Material: M35 cobalt HSS with titanium coating
特性：红硬性好，耐磨耐高温，钻孔精度高，使用寿命长
Features: Good red hardness, wear and high temperature resistance, high drilling accuracy and long service life
使用场合：不锈钢、合金钢、高强度钢等难加工材料的钻孔与扩孔。
Application: Drilling and reaming of difficult-to-machine materials such as stainless steel, alloy steel and high-strength steel.
