Description
CSK Screw Socket Head M5x16 SS FT A2 — BOLTON SKU 71303.
About the Bossard 1235273 CSK Socket Screw, M5
This CSK Screw Socket Head M5x16 SS is a countersunk (flat) head screw with an internal hexagon socket drive, carried in the BOLTON catalogue against Bossard reference 1235273. The designation decodes to an M5 metric thread at 16 mm nominal length, fully threaded (FT) along the shank, manufactured in A2 austenitic stainless steel — the general-purpose 304-type corrosion-resistant grade. The countersunk head seats into a matching chamfered hole so the fastener finishes flush with the joint surface, while the socket drive allows controlled tightening in restricted spaces where an external hex head cannot be swung. Full threading maximises engagement in tapped holes and thin-panel joints at this short length. Head angle, exact standard reference and property class can be confirmed at quotation against your drawing.
Key specifications
| Description | Countersunk socket head screw (CSK) |
|---|---|
| Thread | M5 |
| Nominal length | 16 mm |
| Threading | Fully threaded (FT) |
| Material | A2 austenitic stainless steel |
| Drive | Internal hexagon socket |
| Catalogue reference | Bossard 1235273 |
Typical applications
Flush-finishing M5 countersunk socket screws are used where a protruding head would foul moving parts or spoil an external surface — panel and cover fixing, hinge and latch hardware, guide rails and sheet-metal assemblies. The A2 stainless grade suits indoor and general outdoor service where aggressive chloride exposure is not expected.
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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