Company record
Sigma Fasteners manufactures and distributes ASTM‑compliant bolting fasteners, offering a full range that includes screws, studs and nuts, bolts, sockets, pins, washers, anchors, locknuts, self‑locking bolts, metric fasteners and gaskets. The firm holds ISO 9001:2000 certification and supplies products fabricated from nickel, nickel alloy, Hastelloy®, Monel®, Inconel® and stainless steel. Customers can select from several coating treatments such as Whitford Xylan®, SermaGard® ceramic metallic, Everlube® formulations, as well as MacDermid® chloride‑zinc electro‑plating and trivalent chromate finishes. Sigma Fasteners serves the manufacturing, energy and petrochemical sectors and ensures that its offerings comply with API standards.
This directory record does not yet have a linked material-flow brief.