Description
Hex Socket Button Head Screw M5x12 A4 Stainless Steel — BOLTON SKU 57584.
About the Hex Socket Button Head Screw M5x12 A4
The Hex Socket Button Head Screw M5x12 is a low-profile socket screw in A4 stainless steel: an M5 coarse thread (0.8 mm pitch) on a 12 mm nominal length, topped by a domed button head with an internal hexagon drive. Button head screws present a smooth, rounded face with a much lower stack height than a cylindrical cap screw, at the cost of a smaller socket and reduced torque and preload capacity — they are finishing and retention fasteners rather than heavy structural ones. This listing’s designation does not cite a governing dimensional standard (M5 button heads are commonly executed to the ISO 7380-1 pattern), so exact head dimensions and the manufacturing standard can be confirmed with the datasheet at quotation. A4 austenitic stainless steel is the molybdenum-bearing 316-type grade family of ISO 3506, resisting chloride pitting and crevice corrosion more strongly than A2.
Key specifications
| Head style | Button (domed), internal hexagon drive |
|---|---|
| Thread size | M5, coarse pitch 0.8 mm |
| Nominal length | 12 mm |
| Material | A4 austenitic stainless steel (316 type, ISO 3506 family) |
| Dimensional standard | Not stated in designation — confirmed at quotation |
Typical applications
M5 button head screws fasten guards, panels, extrusion accessories and covers where a snag-free dome and tidy appearance are wanted at moderate clamping loads. The A4 grade suits outdoor, coastal and washdown equipment where standard stainless would pit over time.
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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