Description
SCREW HEX CAP HD M3X30 SST A2 DIN912 1111345 — BOLTON SKU 65316.
About the 1111345 Cap Head Screw, M3x30 DIN 912
This is an M3 x 30 mm hexagon socket head cap screw specified to DIN 912 in A2 stainless steel. DIN 912 covers the cylindrical-head cap screw with an internal hexagon drive; its international successor is ISO 4762, and the two standards share the same head diameter, head height and socket dimensions across the common sizes, so they are treated as functionally interchangeable in routine engineering use. ISO 4762 covers coarse-pitch threads from M1.6 to M64 at product grade A. At M3 the coarse thread pitch is 0.5 mm. A2 denotes austenitic stainless steel — the standard general-purpose corrosion-resistant fastener material, suited to indoor and mildly corrosive environments but not to the chloride exposure that would call for A4. The internal hex drive allows the screw to be torqued in a counterbore where nothing can grip the outside of the head, which is the usual reason for selecting this head form over a hex-flange or pan-head screw.
Key specifications
| Attribute | Value |
|---|---|
| Standard | DIN 912 — hexagon socket head cap screw |
| Equivalent standard | ISO 4762 |
| Head / drive | Cylindrical head, internal hexagon socket |
| Thread size | M3 (coarse pitch, 0.5 mm) |
| Nominal length | 30 mm |
| Material | Stainless steel, A2 (austenitic) |
Typical applications
M3 socket cap screws are used across equipment chassis, mounting plates, bracketry, enclosure lids and sub-assembly fixings. A2 stainless is chosen where corrosion resistance matters but the environment is not marine or heavily chloride-laden, for example workshop equipment, shelter interiors and avionics racks. They are a fast-moving stores line for build and MRO fastener kits.
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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