Q218B1025 Hexagon Socket Head Cap Screw For SHACMAN Truck Parts Product Introduction This Q218B1025 hexagon socket head cap screw is an 8.8-grade high-strength standard fastener specially matched for Shacman heavy trucks. Widely applied on chassis, cab and body assembly positions, it undertakes the fixed connection of different components. Adopted yellow zinc anti-corrosion surface treatment, it can adapt to complex working conditions such as dust, humidity and bumpy