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UNC 1/4-20 Socket Set Screws - Cup Point - High Tensile 10.9 - Pack of 10
£2.95
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Pack of 10 UNC 1/4-20 socket set screws (grub screws) in high tensile grade 10.9 alloy steel with a black finish. Cup point configuration provides a firm, reliable grip on shafts and surfaces. Commonly used in door closers, door handles, collars, pulleys, and a wide range of American standard engineering and assembly applications.
- Size: 1/4 inch x 1/4 inch
- Thread: UNC (Unified National Coarse) - 20 TPI - American standard thread
- Drive: Hexagon socket (hex key / Allen wrench)
- Point type: Cup point
- Grade: High tensile 10.9
- Material: Alloy steel
- Finish: Black
- Pack quantity: 10 screws
- Compatible with standard US 1/4-20 UNC threaded holes
- Widely used in door hardware, machinery, and precision engineering
- Not suitable for replacement in safety-critical or structural applications without engineering approval