Monel K500 Screws

Monel K500 Screws, Specifications & Dimensions

Monel K500 screws are externally threaded fasteners typically driven into a tapped hole. TorqBolt manufactures Monel K500 screws per ASME B18.3 (socket products), ASME B18.6.3 (machine screws), DIN 912 / 7991 / 6912, and ISO 4762 / 10642, in metric M3–M48 and imperial 0–1/2".

Drive Types

Head Styles

Monel K500 screws are available in cap, button, countersunk / flat (82° or 90°), pan, fillister, truss, and shoulder configurations.

Specialty Screws

TorqBolt produces Monel K500 set screws (cup-point, cone-point, dog-point, flat-point, hex-socket DIN 913/914/915/916), shoulder screws, and self-tapping screws. Each lot certified per EN 10204 3.1 / 3.2 with optional NACE MR0175 sour-service compliance.

Monel, Nickel-Copper Alloys

Monel alloys are 67% Ni / 33% Cu solid-solution alloys distinguished by uniform corrosion resistance in seawater, hydrofluoric acid, alkalis, and salt brines.

Monel 400 (UNS N04400) is the base composition. Monel K-500 (N05500) adds Al + Ti for γ' precipitation hardening, raising yield to ~620 MPa, the standard for high-strength shafting in seawater. Monel R-405 is a free-machining variant.

Monel fasteners are produced per ASTM B164 with EN 10204 3.1 / 3.2 certificates. Galvanic compatibility with copper-nickel piping makes Monel the natural mate for naval, desalination, and salt-evaporator service.

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