Tecknomate offers stainless steel swivel eye bolts (swivel hoist rings) in ss-304 as well as ss316, these can swivel 360 ° and pivot 180°, and are as per international standards. These are used widely in corrosive and humid environments. These are normally available from m8 to m36, and are also available in unc threads. These can be made as per customers requirements for bigger sizes.