All material grades — Screws, Washers, Threaded Rods · DIN / ISO / ASTM Standards
Grevinox Overseas stocks Fasteners across all major material grades conforming to ASTM, ASME, IS, DIN, and EN standards. Available with full Mill Test Certificates and third-party inspection on request.

SS 304 · 316 · 321 · 347 · 904L

Duplex 2205 · S31803 · S32205

Super Duplex 2507 · S32750 · S32760

ASTM A106 Gr.B · A53 · API 5L

IS 2062 · IS 1239 · IS 3589

P11 · P22 · P91 · 4140 · 4340

Inconel 600 · 625 · 718 · Incoloy 825

Monel 400 · Monel K500

Hastelloy C-276 · C-22 · B-2
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