Mutual Screw & Supply

M20-2.5 X 300mm Hex Head Cap Screws | Class 8.8 Steel Plain | Partially Threaded (20 / Pkg.)

M20-2.5 X 300mm Hex Head Cap Screws | Class 8.8 Steel Plain | Partially - Main image
$134.71 $189.73 In stock

M20-2.5 x 300mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Plain construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 20

Specifications

  • Thread Size: M20-2.5
  • Length: 300mm
  • Thread Pitch: 2.5mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Plain
  • Thread Style: Partially Threaded
  • Pack Quantity: 20
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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 (4.8 / 5 · 5 reviews)

David ★★★★★

The hex heads fit my socket perfectly with no slipping, and the partial threading made aligning them in tight spots much easier than I expected. These held up great when I torqued them down on a heavy equipment frame.

Michael ★★★★★

Threading these into a steel flange was surprisingly smooth—the 8.8 steel held up well under torque without any hint of stripping. The 300mm length gave me just enough reach for a thick assembly, and having a full 20-count box saved me a trip to the hardware store.

Christopher C. ★★★★★

Grinding these M20s into a pre-tapped hole felt smooth the whole way, and the hex head grabbed a socket without any rounding. Threads run clean for about half the length, which gave me just the bite I needed for a structural tie-down. Exactly the kind of fastener you want when the old ones are alrea