Mutual Screw & Supply

#4-40 X 5/8" Nylon Seal Machine Screws | Pan Head Phillips Drive | 18/8 Stainless Steel (1000 / Pkg.)

#4-40 X 5/8" Nylon Seal Machine Screws | Pan Head Phillips Drive | 18/8 - Main image
$153.27 $225.4 In stock

These #4-40 x 5/8" machine screws are manufactured from 18/8 Stainless Steel, featuring a phillips drive and a pan head. They are well suited to fastening metal parts, panels, and enclosures.

  • Material and finish: 18/8 Stainless Steel
  • Drive: Phillips
  • Head style: Pan
  • Thread size: #4-40
  • Length: 5/8"
  • Applications: Fastening metal parts, panels, and enclosures

Specifications

  • Product type: Machine Screws
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Head style: Pan
  • Drive type: Phillips
  • Thread size: #4-40
  • Length: 5/8"
  • Threads per inch: 40
  • Measurement type: Imperial
  • Features: Nylon Seal
  • Pack quantity: 1000 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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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Sebastian ★★★★★

Installed these on a small electronics enclosure and the 18/8 stainless steel held up perfectly against a bit of moisture around the seal. The phillips drive made it easy to seat each screw without stripping, and the 1000-count pack is more than enough for multiple projects.

Avery G. ★★★★★

The nylon seal on these #4-40 x 5/8" screws is exactly what I needed for a small outdoor enclosure—it sits tight and keeps moisture out. The 18/8 stainless steel pan heads drive cleanly with a #1 phillips, and having a full thousand on hand means I won't run out mid-project.

Sebastian X. ★★★★★

The seal on these #4-40s sits tight against the pan head, so they grip enclosures without gouging the metal. I've used a hundred or so on panel builds and haven't had one strip or leak yet. The 18/8 stainless gives me confidence they'll outlast the gear they're holding.