Tri-drive micro profile head screws are tiny, ultra-thin high precision micro security screws. The three wing design ensures that the screws are easy to work with as well as a good fit. This screw has been developed to allow tightening to a high degree, which makes the screw ultra-secure.
They are perfect for all sorts of applications and products, both security and non security, and are used in a wide variety of industries including the electronics and robotics industries.
The Tri-Drive Micro Profile Head Screw features no cam-out, no driving force and high workability. These screws have high torque transmission, making them easier to screw in, and they have high durability. They require a special tool to fasten which renders them tamper resistant, preventing unauthorised people from interfering and removing them once fixed.
Please note – special tools are required to fit this screw, these are also available from Fastenright.
Manufactured in Steel (Zinc plated and Zinc & Black plated) as well as Stainless Steel.
Available from Fastenright in sizes from M0.8 to M3 and lengths ranging from 2mm to 25mm.

| Technical Data & Availability | ||||||||||||||||||
| Thread Diameter |
M0.8 | M1 | M1.2 | M1.4 | M1.6 | M1.7 | M2 | M2.5 | M2.6 | M3 | ||||||||
| dk (mm) | 1.8 | 2.0 | 2.0 | 2.5 | 2.50 | 3.00 | 3.00 | 3.50 | 3.00 | 3.50 | 3.50 | 4.00 | 4.00 | 4.50 | 4.00 | 4.50 | 4.50 | 5.00 |
| k (mm) | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | ||||||||
| R (mm) | 0.1 max. |
0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | 0.1 max. | ||||||||
| Available Lengths (L) |
M0.8 | M1 | M1.2 | M1.4 | M1.6 | M1.7 | M2 | M2.5 | M2.6 | M3 | ||||||||
| 2mm | ||||||||||||
| 3mm | ||||||||||||
| 4mm | ||||||||||||
| 5mm | ||||||||||||
| 6mm | ||||||||||||
| 8mm | ||||||||||||
| 10mm | ||||||||||||
| 12mm | ||||||||||||
| 14mm | ||||||||||||
| 16mm | ||||||||||||
| 18mm | ||||||||||||
| 20mm | ||||||||||||
| 22mm | ||||||||||||
| 25mm | ||||||||||||
Size not listed? Please make an enquiry – we may be able to provide it. |
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