Extreme Bolt & Fastener (also known as Tantalum Bolt & Fastener) is a company that manufactures and supplies engineered polymers, ceramics, and metal fasteners. Its product includes head cap screws, hose clamps, lock nuts, weld studs, washers, flanges, etc. The company also provides coating and plating, machining, grinding, heat-treating, and packaging services. Extreme Bolt & Fastener caters to electronics, chemicals, oil and gas, pharmaceuticals, aerospace, and other sectors.