Heavy duty marine grade alloy drain plugs with black acetal plug. These hand-cast drains are suitabe for welding and commercial applications. Note the thread requires lubrication after installation. Spare O-rings are also available separately. Part Number Base Diameter Bung Diameter Cutout Diameter Base IntrusionBLA-192401 73mm 38mm 51mm 11mmBLA-192405 93mm 58mm 75mm 11mm








