Mutual Screw & Supply

M20-2.5 X 55mm Hex Head Cap Screws | Class 10.9 Steel Yellow Zinc | Fully Threaded (20 / Pkg.)

M20-2.5 X 55mm Hex Head Cap Screws | Class 10.9 Steel Yellow Zinc | Fully - Main image
$42.45 $58.15 In stock

M20-2.5 x 55mm 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 20

Specifications

  • Thread Size: M20-2.5
  • Length: 55mm
  • Thread Pitch: 2.5mm
  • Material: Steel
  • Grade: Class 10.9
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 20
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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 (4.6 / 5 · 5 reviews)

Joseph R. ★★★★★

The yellow zinc coating looks even better in person, and the threading is clean all the way down, which made them easy to drive into my equipment frame without any binding. They're hefty and solid, and the hex head sat flush with my socket wrench for a tight, secure fit.

Ava T. ★★★★★

The head is tall enough that my 24mm socket grips it fully without any wobble, which made torquing these down in a tight spot much easier than I feared. The yellow zinc finish looks consistent across all 20 pieces, and the 10.9 hardness took the wrenching without a single stripped edge. A solid, no-

Riley X. ★★★★★

Installed these on a heavy press and the 10.9 grade held tight under full torque, no stripping. The yellow zinc finish is a nice extra for corrosion resistance.