STS Industrial is headquartered in Sulphur, Louisiana, and serves industrial, petrochemical, marine, and construction markets across the United States with a broad, compliance driven catalog. As a fastener supply company with deep material know-how, we provide hex bolts and cap screws, socket screws, nuts in hex, lock, and coupling styles, and washers in flat, lock, and load‑indicating designs. Our lineup also includes carriage bolts, plow bolts, lag screws, eyebolts, U‑bolts, anchor bolts, grating fasteners, and specialty fasteners. We supply spiral wound gaskets, ring joint gaskets, full‑face gaskets, metal‑core options, and custom fabricated gaskets for demanding seals. In pipe, fittings, and flanges, we deliver elbows at 90° and 45°, tees, reducers, bushings, couplings, unions, caps, plugs, olets, and flanges in multiple sizes, classes, and materials. For pipe supports and structural hardware, turn to pipe clamps, clevis hangers, beam clamps, rod supports and attachments, structural attachments, and custom fabricated supports. We also stock cutting tools and machining supplies, including drill and concrete bits, hole and annular cutters, taps and dies, reamers, and thread repair and bolt removal kits. Custom manufacturing covers threading, cutting, machining, and specialty coatings, finishes, and surface treatments supported by traceability, material certifications, AML compliance, and clear communication.
