TR Security Machine Screws Type 8 – Countersunk Head
Materials & Finishes
Steel 4.8, Zinc & clear plated
Stainless steel, Self colour
Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.
| d | M3 | M4 | M5 | M6 |
| D nom (mm) | 5.6 | 7.5 | 9.2 | 11 |
| H max (mm) | 1.65 | 2.2 | 2.5 | 3 |
Key Features
Conventional in appearance with a Phillips recessed drive system but with a centrally located security pin. Removable by dedicated driver system only. Ideal for surface or recessed applications and for power driver automated assembly.
TR Security Drivers
Our range of drivers are available from stock but only to bona fide purchasers of TR Security fasteners and can only be purchased separately if fasteners have been previously been supplied.
Please note: Most security screws are not manufactured to DIN or ISO standards and head dimensions can vary considerably from manufacturer to manufacturer. If head dimensions are critical, please specify at time of order.
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| Preferred size / availability | Part number | Finish | Length | Material | Head Style | Thread | |
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