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M4 x 20mm Countersunk Socket Screws - Black High Tensile 10.9 - Pack of 50
£3.33
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Pack of 50 M4 x 20mm countersunk socket screws in black high tensile grade 10.9. The flush-fitting countersunk head and hexagon socket drive provide a strong, secure fixing with a clean, low-profile finish.
- Size: M4 x 20mm (length measured including head)
- Thread pitch: 0.7mm metric
- Head type: Countersunk (CSK) - flush fitting
- Drive: Hexagon socket (Allen key / hex key)
- Grade: High tensile 10.9
- Finish: Black oxide
- Pack quantity: 50 screws
- Suitable for a wide range of engineering and assembly applications
- Not suitable for replacement in safety-critical or structural applications without engineering approval