Mutual Screw & Supply

M12-1.5 X 55mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded (50 / Pkg.)

M12-1.5 X 55mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded (50 - Main image
$38.55 $54.29 In stock

M12-1.5 x 55mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Plain construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 50

Specifications

  • Thread Size: M12-1.5
  • Length: 55mm
  • Thread Pitch: 1.5mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 50
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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 (5.0 / 5 · 5 reviews)

Hannah ★★★★★

Used a full box of these on a new assembly line build and every single one seated perfectly with no cross-threading. The 8.8 steel gives them plenty of strength for heavy-duty framing work, and the hex head design made them easy to tighten even in tight spots.

Abigail ★★★★★

These are the exact thread pitch I needed for the motor mounts, and the 8.8 grade steel feels properly hefty in the hand. The hex head sits flush with a standard socket and they all threaded in clean without any galling. A solid, no-fuss buy for industrial work.

Hannah P. ★★★★★

Needed a full thread to seat properly in a tight bracket assembly, and these 55mm M12s cut through the steel clean without stripping. The class 8.8 hardness held up under a serious torque wrench, and the hex drive grabbed perfectly every time.