Representative image of M4 x 20mm silver button head hex socket screws
Representative image of M4 x 20mm black button head hex socket screws
Representative image of M4 x 20mm silver button head hex socket screws
Representative image of M4 x 20mm black button head hex socket screws

M4x20 Button - 25pk

$4.99
Shipping calculated at checkout.
Finish: Silver
10 in stock

Keep useful metric hardware on hand with a 25-pack of M4 x 20mm button head screws, available in Silver or Black. Use them for 3D printed brackets, CNC accessories, enclosure panels, mounting plates, jigs, and other maker projects that need a longer M4 fastener.

  • Size: M4 x 20mm
  • Length: 20mm, measured from under the head
  • Head style: Rounded button head
  • Drive: Hex socket / Allen
  • Silver option: SUS304 stainless steel
  • Black option: Grade 10.9 steel with black oxide finish
  • Quantity: 25 screws per pack in your selected finish

Pair with matching M4 nuts, washers, or threaded inserts as your project requires. Check material thickness and required thread engagement when choosing screw length, especially with blind holes or short inserts.

Screws only. Nuts, washers, inserts, and tools are not included.

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