| Material: Tungsten steel, shank diameter: 6mm, drill head size: 10mm Convenient control, using simple, safe and reliable, reduce labor intensity, improve the working environment Use: Processing of all kinds of metals (including all kinds of hardened steels) and non-metallic (such as marble, jade, bone). High Quality: High efficiency, high quality workmanship, long service life, good economic returns. Easy to use, safe and reliable, can reduce labor intensity. Design: Mechanical parts chamfering, rounding and grooving. Double room is crossed lines, not easy to block the lines, more suitable for the object of relatively low density material. Product description Size: 5pcs 50-60mm Rotary … | |