合金6.056.2度钻头6.25整体6.156.1直柄钨钢钻咀60涂层6.0

6.056.09钨钢6.04合金6.016.076.026.036.06铰刀绞刀6.08

铰刀专用螺旋不锈钢 6.056.1 6.2 6.3 6.35 6.4 6.5 6.6 6.7 6.8