Description
Hex Socket Head Cap Screw M5x12 A4 Stainless Steel ISO 4762 — BOLTON SKU 57583.
About the Hex Socket Head Cap Screw M5x12 A4
This Hex Socket Head Cap Screw M5x12 is an ISO 4762 cap screw in A4 stainless steel — the standard cylindrical-head, internal-hexagon pattern also known as DIN 912. Its M5 thread has a 0.8 mm coarse pitch; the head is 8.5 mm in maximum diameter and 5 mm high, and it takes a 4 mm hex key. The 12 mm nominal length keeps the joint envelope short, matching shallow tapped holes and thin clamped plates. Seated in a counterbore, the head finishes flush with the surface, protecting it from knocks and giving assemblies a clean face; tightened in the open, it still needs only top-down hex-key access, which is what makes this format the default in dense mechanical layouts. A4 austenitic stainless steel (molybdenum-bearing, 316 type per the ISO 3506 family) resists chloride pitting and crevice attack better than A2, suiting outdoor, coastal and washdown duty.
Key specifications
| Standard | ISO 4762 (equivalent to DIN 912) |
|---|---|
| Thread size | M5, coarse pitch 0.8 mm |
| Nominal length | 12 mm |
| Head diameter | 8.5 mm max |
| Head height | 5 mm |
| Drive | 4 mm internal hexagon |
| Material | A4 austenitic stainless steel (316 type, ISO 3506 family) |
Typical applications
Typical fitments include pump and valve covers, guarding, sensor brackets and sub-assembly plates fastened into tapped housings. Its short grip and A4 corrosion class make it a stock choice for skids and equipment destined for marine-influenced or frequently cleaned sites.
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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