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Portland Bolt manufactures and stocks both black and galvanized anchor bolts and construction fasteners to ASTM specifications for quick delivery.

B&G Manufacturing is a legendary manufacturer and supplier of threaded and machined fasteners, serving customers in the Power Generation, Petro-Chemical, Nuclear, Marine, and Medical industries

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TSA manufactures and distributes anchor bolts, weld studs, threaded rod, ACME and COIL rod, nuts, washers, structural bolts and many other products for the construction, precast concrete, structural steel, O.E.M. and light commercial industr...

MARYLAND METRICS - Your one-stop METRIC HARDWARE source offers over 1,200,000 METRIC sized items from over 900 suppliers, worldwide: Fasteners, Hand Tools, Cutting Tools, Measuring Tools, Hydraulic & Pneumatic Fittings & Tubing, Oil Seals, O-...

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...