1.petal-type grapples 2.Grapples designed as material shape 3.Suitable grapples for bulk scrap,granulated scrap,coal ,sand etc PETAL-TYPE MECHANICAL GRAB BUCKET The petal-type grab bucket is mainly used for the load and unload of large wasted steel material efficiently under execrable conditions, and has been widely used in port, railway, metallurgy, mining, building and so on. Its structure has ...