Mutual Screw & Supply

M20-1.5 X 55mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded (25 / Pkg.)

M20-1.5 X 55mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded (25 - Main image
$40.21 $60.93 In stock

M20-1.5 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 25

Specifications

  • Thread Size: M20-1.5
  • Length: 55mm
  • Thread Pitch: 1.5mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 25
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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 (4.4 / 5 · 5 reviews)

Sebastian ★★★★★

The hex heads on these grabbed my socket perfectly without any wobble. I used a dozen to mount a steel bracket, and the class 8.8 strength feels solid for the price. Exactly what I needed for heavy equipment assembly.

Charlotte O. ★★★★★

Threads are clean and consistent all the way down, and the hex head grabs a socket without any wobble. I've got a fixture that needed M20 hold-downs and these seated flush with just a few turns. Class 8.8 feels solid enough for the job so far.

Ella ★★★★★

Used these to bolt down a heavy press in the shop and they seated perfectly with a standard socket, no stripping. The 55mm length was just right for our application and the full threading gave plenty of grip.