Description
Hex Socket Button Head Screw M5x16 A4 Stainless Steel — BOLTON SKU 57585.
About the Hex Socket Button Head Screw M5x16 A4
This Hex Socket Button Head Screw M5x16 is a metric machine screw with an M5 thread and a 16 mm nominal length, made from A4 stainless steel — the acid-resistant, molybdenum-bearing austenitic grade of the 316 family, chosen where joints face chlorides, coastal atmospheres or washdown conditions. The button head is a low-profile domed form driven by an internal hexagon socket, giving a neat external appearance with no protruding wrenching flats and allowing installation with a standard hex key or bit. Because the material grade, thread size and length are stated in the designation, the screw can be matched directly against a bill of materials; confirm property class and any coating or head-marking requirements when you request a quotation, and state the quantities per assembly so packs can be sized to suit.
Key specifications
| Thread size | M5 |
|---|---|
| Nominal length | 16 mm |
| Head style | Button (low-profile domed) |
| Drive | Hexagon socket |
| Material | A4 stainless steel (316-family austenitic, molybdenum-bearing) |
Typical applications
An M5 x 16 button head suits general equipment assembly — securing brackets, covers and panels on machinery where a tidy, snag-free head is preferred. The A4 grade makes this variant appropriate for marine, coastal and chemically exposed installations where standard steel or A2 stainless fasteners would corrode sooner.
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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