Next: Phillips Pan Head Reduced Thread Captive Screws 
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TX Low Socket Head Captive Screws host an unthreaded shank below their head which is often referred to as a reduced thread.
The TX drive minimises the potential of cam-out and increases the general tool life of the captive screw.
They provide a secure fastening and avoid the loss or damage of a fastener within an assembly, as the screw can not be fully removed from its housing once installed.
Often used to fasten sheet metal or captive panels, the screws are also designed to aid compliance with the EU directive that requires the use of captive fasteners on protective guards on machinery.
Available from Fastenright as standard in A2 Stainless Steel with optional thread locking patches.
Sizes available from M2 to M8, with lengths ranging from 10mm to 60mm.
Non-standard sizes and materials are available to order, including custom parts made to drawings.
d1 and L1 dimensions can be to customer specification.
| TX Pan Head Reduced Shank Captive Screws | ||||||||||||
| Thread Diameter | M2 | M.25 | M3 | M4 | M5 | M6 | M8 | |||||
| DK (mm) | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | |||||
| d1 (mm) | 1.4 | 1.8 | 2.2 | 3 |
3.8 | 4.5 | 6.2 | |||||
| K (mm) | 1.55 | 1.85 | 2.4 | 3.1 |
3.65 | 4.4 | 5.8 | |||||
| L1 (mm) | 4 | 5 | 6 | 8 | 10 | 12 | 16 | |||||
| Available Sizes | M2 | M2.5 | M3 | M4 | M4 | M5 | M6 | |||||
| 6mm | Â | |||||||||||
| 8mm | ||||||||||||
| 10mm |  |
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| 12mm | |
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| 14mm | |
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| 16mm | |
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| 18mm | |
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| 20mm | |
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| 22mm | |
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| 25mm | |
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| 30mm | |
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| 35mm | |
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| 40mm | Â | |
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| 45mm | |
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| 50mm | |
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| 55mm | |
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| 60mm | |
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| = Available Size not listed? Please call to discuss – we may be able to provide it. |
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