Mutual Screw & Supply

M30-3.5 X 80mm Hex Head Cap Screws | Class 10.9 Steel Yellow Zinc | Fully Threaded (5 / Pkg.)

M30-3.5 X 80mm Hex Head Cap Screws | Class 10.9 Steel Yellow Zinc | Fully - Main image
$43.17 $58.34 In stock

M30-3.5 x 80mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 10.9 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 5

Specifications

  • Thread Size: M30-3.5
  • Length: 80mm
  • Thread Pitch: 3.5mm
  • Material: Steel
  • Grade: Class 10.9
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 5
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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)

Aurora Z. ★★★★★

The hex heads took a 46mm socket perfectly, and the class 10.9 steel definitely feels tougher than the grade 8.8s I usually grab. Fully threaded meant I could cinch down a thick flange plate without any shims. Even the yellow zinc has a nice, even finish that should hold up well in the shop.

Ava ★★★★★

The yellow zinc coating on these M30 screws looks well applied and should resist rust well in my shop. Used them to fasten a heavy-duty bracket to a steel frame, and they seated perfectly with a socket wrench. Exactly the high-strength fasteners I needed for the job.

Victoria U. ★★★★★

The 10.9 grade steel on these hex bolts is noticeably harder than standard hardware—my impact gun seated them into a steel frame without stripping. The yellow zinc finish also looks clean against the equipment.