Machine ScrewsPre-assembled self-sealing screws with a silicone rubber seal available in standard and metric thread sizes. Have a Phillips drive head and can withstand pressures up to 6000 psi (18 Products)
APM Hexseal has been manufacturing an extensive line of sealing products for protecting electromechanical switches and circuit breakers since 1947. The company's product line includes UL- and CSA-recognised cap & machine screws, washers and silicone switch covers, widely used in electrical, marine and military applications. APM Hexseal washers have a moulded silicone rubber seal (with stainless-steel as backing material) and create a 360 degree sealing barrier. The company's self-sealing machine screws feature stainless-steel construction with a silicone rubber seal and ensure a tight seal regardless of the surface finish. These screws provide full metal-to-metal contact and are available in standard and metric thread sizes. Choose from a variety of APM Hexseal screws, switch boots, washers and switch shaft seals on Raptor Supplies.