Mutual Screw & Supply

1/4-28 X 7" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc (300 / Pkg.)

1/4-28 X 7" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc (300 / - Main image
$438.94 $655.13 In stock

1/4-28 x 7" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Yellow Zinc construction
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 300

Specifications

  • Thread Size: 1/4-28
  • Length: 7"
  • Threads Per Inch: 28
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • Pack Quantity: 300
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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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Delivery costs

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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 (5.0 / 5 · 5 reviews)

Christopher Q. ★★★★★

Threaded every single one in without a single burr or hang-up, and the yellow zinc finish looks properly even across all 300. The grade 8 hardness is exactly what I needed for the press frame, no flexing under load.

Ryan ★★★★★

Swapped out the old bolts on my milling machine with these, the hex heads let me get a socket on them easily. They're exactly 7 inches and the yellow zinc finish has held up well so far.

Lucy ★★★★★

Bought a box of these for a repair job and they’ve held up perfectly under constant torque. The yellow zinc coating is still clean after a week of oily handling, and the hex heads seat deep with a socket every time.