螺杆式钻头 (岩石钻削用钻头)

2-1　十字型钎头　(岩石钻削用钻头)
3-1image_open_seihin 1.　1600H
3-1image_open_seihin 2.　28R,32R
3-1image_open_seihin 3.　T38,T45,T51
2-2　球齿型钎头　(岩石钻削用钻头)
image_open_seihinimage_open_seihin 1.　1600H
image_open_seihinimage_open_seihin 2.　28R,38R
image_open_seihinimage_open_seihin 3.　T38,T45