Description
Hex Socket Head Cap Screw M2x5, Stainless Steel A4-80, ISO 4762 — BOLTON SKU 60790.
About the Hex Socket Head Cap Screw M2x5, Stainless
This Hex Socket Head Cap Screw M2x5 is a miniature metric fastener manufactured to ISO 4762, the international standard for hexagon socket head cap screws. It carries an M2 thread with a 0.4 mm pitch and a nominal length of 5 mm. Per the ISO 4762 dimensional table, the M2 size has a cylindrical head of 3.8 mm maximum diameter and 2 mm head height, driven by a 1.5 mm hexagon key. The material is A4 austenitic stainless steel — a molybdenum-bearing, acid-resistant grade with enhanced resistance to chlorides and marine atmospheres — in property class 80, which corresponds to a nominal tensile strength of 800 MPa under ISO 3506-1. The internal hex drive allows counterbored, flush-seated installation where external wrench clearance is not available.
Key specifications
| Standard | ISO 4762 (hexagon socket head cap screw) |
|---|---|
| Thread | M2 × 0.4 mm pitch |
| Nominal length | 5 mm |
| Head diameter (max) | 3.8 mm |
| Head height | 2 mm |
| Hex key size | 1.5 mm |
| Material | Stainless steel A4, property class 80 (ISO 3506-1) |
Typical applications
M2 × 5 mm cap screws of this type are used for fastening small-format assemblies such as sensor housings, PCB standoffs, optical mounts and instrument covers where a compact counterbored head is needed. The A4-80 grade suits fastening points exposed to humid, coastal or chemically aggressive environments in which standard A2 hardware would be more prone to pitting.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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