Description
Torx Socket Countersunk Screw 2.5×10 SS A2, WN 5454 — BOLTON SKU 67423.
About the Torx Socket Countersunk Screw 2.5×10 SS
The BOLTON record for this screw torx skt csk 2.5 x 10 line identifies works standard WN 5454, which covers flat countersunk head, hexalobular (Torx) drive screws of the EJOT DELTA PT type, supplied fully threaded. DELTA PT is a thread-forming screw designed for direct assembly into thermoplastics: the thread profile forms its own mating thread in a moulded pilot boss rather than cutting it, so no material is removed and hoop stress in the boss wall is kept lower than with a conventional tapping screw. The countersunk head seats flush in the moulding, and the hexalobular recess allows controlled driving torque without cam-out on an automated or hand-held driver. The nominal size is 2.5 mm outside diameter by 10 mm length – a screw-for-plastics designation rather than a metric machine-screw thread – and the material is A2 austenitic stainless steel.
Key specifications
| Type | Flat countersunk head screw, hexalobular (Torx) drive |
|---|---|
| Works standard | WN 5454 (EJOT DELTA PT type) |
| Thread type | Thread-forming for thermoplastics |
| Nominal diameter | 2.5 mm |
| Nominal length | 10 mm |
| Threading | Fully threaded |
| Material | A2 austenitic stainless steel |
Typical applications
Screws of this type are driven directly into moulded bosses in plastic housings, enclosure covers, keypad and display bezels, and small equipment casings, where the flush head keeps the outer surface clean and the thread-forming profile gives a repeatable joint without a metal insert. The 2.5 mm size suits light-duty covers and internal plastic sub-assemblies. Boss hole diameter and wall thickness should follow the screw manufacturer’s direct-assembly recommendation.
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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