Precast Precast produced CE certificated lifting clutch (ring clutch) with high grade 35CrMoV special casting head clutch and forged bolt. When the head of lifting clutch inserted into the recess and anchor head, the bolt will lock down the anchor from head of lifting clutch. The lifting clutch casting head need to special head treatment to improve mechanical behavior. The forged bolt need the same materials with head. Thelifting clutch hook was made by enough thickness and high strength steel. The lifting clutch hook welded need high quality and deeply to approval with X-ray machinery.   

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