Profile: J Cooke Engineering Ltd. is a manufacturer of fasteners and bar turned nuts. We specialize in the production of both ferrous and non-ferrous machined components. We manufacture a full range of nut types, in all thread forms (imperial and metric), with sizes starting from as small as 14BA. We manufacture parts in materials including brass, steel, stainless steel, aluminum, aluminum bronze and phosphor bronze. We produce bar turned nuts to many aircraft industries. We offer inserts for the plastic molding industries. We produce blind and through inserts in all materials, hexagon & round.