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Thumb slotted screws
Description
The knurled slotted cylinder head screw allows to fix two elements between them, having the possibility to fix this one without using tools, its knurling allows to screw manually, but thanks to the shape of its head you have the possibility to use tools.
Advantages
Very strong, non-corrosive, insulating screw that can be screwed in manually.
usage
Often used in industry, aeronautics and electronics.