The Box Bolts Blind Bolts are designed for heavy-duty steels with a screw size of 85mm and a head style of hex head. Made of steel and finished with hot dipped galvanized, these bolts are durable and corrosion-resistant. Manufactured in the United Kingdom, this pack of 10 bolts is ideal for various industrial and commercial applications requiring secure fastening of heavy-duty steels.

sold as a singleur piece. full boxes can be bought on my selling page tia