Mutual Screw & Supply

1/4-20 X 1/2" Machine Screws | Truss Head Slotted Drive | Plain Steel (900 / Pkg.)

1/4-20 X 1/2" Machine Screws | Truss Head Slotted Drive | Plain Steel (900 / - Main image
$29.98 $45.42 In stock

Plain (uncoated) steel machine screw for general-purpose, indoor fastening where corrosion resistance is not required.

Specs

  • Dimensions: 1/4-20 1/2"
  • Drive type: Slotted
  • Head style: Truss Head
  • Material: Plain Steel
  • Thread: 1/4-20 UNC (coarse)

Features

  • Machine-thread screws for use with nuts or tapped holes
  • Truss head profile
  • Slotted drive
  • Plain 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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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)

Charlotte N. ★★★★★

The truss head is perfect for countersinking into softer wood without splitting, and the slotted drive bites cleanly with a standard screwdriver. I've already used half a box on shelving brackets and only had to toss two out of the whole lot for bad threads.

Miles O. ★★★★★

Needed a bunch for a quick jig build, and these slotted truss heads seat nicely without stripping. The plain steel is fine for my indoor shop setup.

Harper C. ★★★★★

The truss head’s low profile is perfect for tight spots where a hex head just won’t sit flush, and the slotted drive bites clean with a standard screwdriver. Nine hundred of these plain steel 1/4-20s in a sturdy box means I’m set for years of indoor shop jigs and fixtures. Slightly worried about rus