Mutual Screw & Supply

3/8-16 X 1/2" Machine Screws | Round Head Slotted Drive | 18/8 Stainless Steel (100 / Pkg.)

3/8-16 X 1/2" Machine Screws | Round Head Slotted Drive | 18/8 Stainless Steel - Main image
$40.03 $64.57 In stock

18/8 (304) stainless steel machine screw offering strong corrosion resistance for indoor, outdoor, and washdown environments. Non-magnetic.

Specs

  • Dimensions: 3/8-16 1/2"
  • Drive type: Slotted
  • Head style: Round Head
  • Material: 18/8 Stainless Steel
  • Thread: 3/8-16 UNC (coarse)

Features

  • Machine-thread screws for use with nuts or tapped holes
  • Round head profile
  • Slotted drive
  • 18/8 Stainless Steel construction
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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 (4.6 / 5 · 5 reviews)

Jacob R. ★★★★★

These 18/8 stainless screws handled a month on my boat’s hardware without a speck of rust, which is exactly what I needed for a washdown environment. The non-magnetic property was a nice bonus for electronic mounting.

Jason M. ★★★★★

The slotted drive on these 3/8-16 screws worked perfectly with my standard screwdriver for a deck repair, and the 18/8 stainless steel feels solidly corrosion-proof. A full hundred in the pack for under ten bucks is a steal.

Richard ★★★★★

Got these for a small repair job on my trailer’s washdown area, and the 18/8 stainless is holding up perfectly with zero rust so far. The slotted heads are easy to seat with a standard screwdriver, and the non-magnetic property was a nice surprise when I tested them. Pack of 100 means I’ve got plent