3329 - 133705 - Silicon Bronze Machine Screw Hex Socket Flat Head- M8-1.25 x 55mm

A countersunk metal thread machine screw with a socket allen key drive, that can either fastened with a nut and washer or into a female thread or component. With a flat or countersunk head, these screws are designed to recess into the parent and finish flush with the surface. Manufactured from silicon bronze, it provides outstanding resistance to seawater corrosion, atmospheric oxidation, and chemical exposure throughout its operational lifespan without requiring protective coatings or maintenance interventions — critical for marine installations, offshore equipment, and coastal infrastructure. Screw Size Chart Head Diameter 15.75 mm Head Height 5 mm Hex Drive Size 5 mm Countersink Angle 90 degrees Pitch 1.25 Outside Thread Diameter 7.8 mm Thread Length Full Thread Finish Mill Finish Imperial Equivalent* 3/8" Material Silicon Bronze Length 55mm *Equivalent size, incompatible thread, may be interchangeable Applications Deck Winches Crane Systems Hydraulics Brake Pads Brake Winches Slide Wear Pads Drilling Rigs Tug Boats Electronics Female threaded components Marine Wooden Boats Aerospace non-magnetic non sparking