4-Rope Cement Mill Buckets Application: Hawco 4-rope cement mill buckets are designed for use on overhead cranes working in cement mills handling raw materials such as clinker, limestone, coal, etc. These buckets are heavy duty and of rugged design to ensure long service and dependability. Sizes: 2 to 10 cubic yards Standard Features: All alloy steel construction. Pins and bushings made of heat treated 4140 and 4150 alloy stock. All pins and bushings are lubricated through recessed grease fittings. Sheaves are cast of alloy steel and fitted with heavy duty roller bearings. Oversized guide rollers for less cable wear. Lip material is T-1 alloy. Double rib support on bowl arms for additional strength. Recessed center shaft to protect from external contact. Options: Hardsurfacing on bowl scoops and lips Hardwear 400 abrasion resistant plate material for lips