Mutual Screw & Supply

M4 X 20mm Socket Cap Screws | Button Head Hex Socket Drive | Alloy Steel (300 / Pkg.)

M4 X 20mm Socket Cap Screws | Button Head Hex Socket Drive | Alloy Steel (300 / - Main image
$12.23 $19.73 In stock

These M4 x 20mm socket cap screws are manufactured from Alloy Steel, featuring a hex socket drive and a button head. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel
  • Drive: Hex Socket
  • Head style: Button
  • Thread size: M4
  • Length: 20mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Plain
  • Head style: Button
  • Drive type: Hex Socket
  • Thread size: M4
  • Length: 20mm
  • Measurement type: Metric
  • Pack quantity: 100 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.2 / 5 · 5 reviews)

Samuel ★★★★★

The hex socket drive on these M4 bolts made assembly a breeze, and the button head sits flush against my fixture plates. The alloy steel feels sturdy and machined consistently across all 300 pieces, which is exactly what I need for repeat jig setups.

Jason X. ★★★★★

I needed a bulk pack for a jig I was building, and the uniform finish on these M4 button heads is spot-on. The 300-count box actually arrived sealed and undamaged, which saved me a trip to the hardware store.

Leo K. ★★★★★

Finally, a pack of socket cap screws that actually have clean, sharp threads. The hex socket drive grabbed my Allen key perfectly without any slippage while I was assembling a jig.