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Micro Socket Countersunk Machine Screws to DIN 7991 have a hexagonal recess and are driven using a hex wrench or insert bit. The hex socket drive has more resistance to cam out and can be installed with power drivers enabling faster use and higher torque to be achieved.
Typically manufactured in Steel Grade 10.9, A2 Stainless Steel and A4 Stainless Steel as standard. Other materials available upon request including Brass, Aluminium and Titanium.
Micro Socket Countersunk Screws are available in sizes from M2 to M3, with larger diameters also available in various materials.
Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.
Our full range of Micro Fasteners can be found here.
| Metric Technical Data & Availability | |||
| Thread Diameter (d1) | M2 | M2.5 | M3 |
| d2 max. (mm) | 4.00 |
5.00 |
3.00 |
| k max. (mm) | 1.24 | 1.55 |
1.70 |
| t min. (mm) | 0.65 |
0.80 | 1.20 |
| S (mm) | 1.27 |
1.50 |
2.00 |
| Pitch (mm) | 0.40 | 0.45 | 0.50 |
| Available Lengths (L) | M2 | M2.5 | M3 |
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| 12mm | |
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| 16mm | |
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| 22mm | |
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| 45mm | |
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| 50mm | |
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| = Available Size not listed? Please make an enquiry – we may be able to provide it. |
