Sealey adaptor 3 8 bspt male to 1 4 bsp female sealey sa1 3814f this adaptor has 3 8in bspt male to 1 4in bsp female threads this fitting is suitable for connecting air tools and components with different thread configurations sealey sa1 3814f adaptor 3 8 bspt male to 1 4 bsp female