M3 M4 M5 M6 Socket Countersunk Screws Allen Key Bolts Marine A4 Stainless Steel

Socket Countersunk Screws A4 ISO 10642. Head Shape: Countersunk Head. Specs (mm) M3 M4 M5 M6. Socket Screws. These screws have a socket or hexagonal indentation on the top, which allows you to use a corresponding Allen key or hex wrench for installation.

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