DIN 910-A hexagon head screw plug (form A), G 1", Article number 9101. Property class / material: steel, surface finish plain. Hexagon Head Screw Plug manufactured to DIN 910 with ISO 228-1 parallel pipe thread (G) thread, coarse pitch. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: sealing of threaded ports in gearboxes, hydraulic and pneumatic equipment, engines and plant pipework.