Qingdao Haosail Machinery Co., Ltd.

A: 316 stainless steel contains molybdenum, is more resistant to salt spray and chemical corrosion, and is suitable for marine environments; 304 stainless steel is economical and practical, suitable for general industrial or outdoor use.

A: It depends on the size and material (e.g. 10mm 316 stainless steel quick release ring WLL is about 1.2 tons), you need to check the product label and keep a safety margin (usually 5:1 safety factor).

A: After tightening the thread, you need to reverse half a turn to avoid over-tightening and metal fatigue, and check regularly for looseness.

A: You must choose CE/UIAA certified models and use them strictly according to load specifications. Non-certified products are limited to general use.

A: Rinse the salt out with fresh water, check for thread wear or deformation, and apply silicone grease to prevent rust (avoid petroleum-based grease from corroding rubber/fiber contacts).