5/16” 18tpi bsw

at british metrics, we carry a variety of metric fittings, valves, washers and more. search our pneumatic accessories and hydraulic fittings for sale now.

tracy tools ltd carry extensive stocks of cutting tools, specialising in taps & dies. these cover bsc, bsf, bsw, unf, unc, ba, metric etc, with a full range of left hand, special thread and insert taps.