Rigging screw Series: rigging screw, also called marine turnbuckle, standard number: CB/T3818-1999 (formerly GB561-65); common form KUUD; KUUH; KOOD; KOOH; KOUH; KCOD so on. Specification: M6-M64. Products using high quality alloy steel forging, machined, heat treatment, inspections and tests, the surface of galvanized; played rust, anti-oxidation, anti-fog effect. The company developed a series of high-strength screw buckle up for rigging screw size is small, the lack of emphasis on weight, to meet a variety of port machinery tension adjustable fastening device, adjust the stroke is large, up to 4-fold safety factor. There are special specifications Rated Load: 25t --- 625t. Our products are widely used in ports, power plants, shipbuilding, metallurgy and other fields. The company's high-intensity lifting tools products, with higher strength, lighter weight, more simple and convenient operation, service in handling industries. Note: be sure to use strict compliance with rated load, excessive use of frequent use and overloading are not allowed. Remind the operator to use, the process of lifting, lifting machinery and lifting spreader under Do not stand on. Rigging screw the following situations, please stop using it: 1. Cracks. 2 deformation greater than 10 degrees. 3 more than 10% degree of wear. 4 overload, re-inspection before use.