Rose Metals supplies Mushroom Head Square Neck Bolts. Rose Metals is an ISO 9001:2008 recognized company. Rose Metals offers wide ranges of pipes and tubes, sheets and plates, bar and wires, butt weld fittings, forged fittings, flanges and non ferrous metals. Mushroom Head Square Neck Bolts is made of stainless steel, duplex steel, monel, inconel, hastelloy, titanium, and nickel alloy. This Mushroom Head Square Neck Bolts is corrosion resistant in nature.