... Mainland) Brand Name: SDL Model Number: type torshear high strength bolt Surface: plain; black; H.D.Galvanized ... requirements. Delivery Detail: 20-45 days Specifications high strength bolt: 1.Materials:1045/5140/35Cr- ... 160 4. Grade: 8.8,10.9,12.9 Tortous type high strength bolt,nut and washer for ... , bridge, boiler with steel structure,industry workshop,high civil buildings, hoisting machinery and so on. ...