Grade 10.9 Carbon Steel Pan Head Hex Socket Botton Screw With Collar

Discover the Grade 10.9 Carbon Steel Pan Head Hex Socket Bottom Screw With Collar, a high-performance fastener designed for superior sealing and connection strength. Ideal for mechanical equipment, automotive manufacturing, and pipeline connections, this screw features a flange pan-head design, hexagon socket for easy operation, and sealant for leak prevention.