It's also called Gate Bolt Hook, Gate Screw Hook
Size: 5/8X6", 5/8X8", 5/8X12", 5/8X18", 3. /4"X10", 3/4"X12" (Gate hinge bolt with 2 nuts and washers)
Material: Alloy steel, carbon steel 35#, stainless steel, brass
Grade: 2, 5, 8
Surface: Zinc plated, Yellow Zinc plated, H. D. G., Dacromet, etc.
Packing: Bulk, box packing, polybag