Mutual Screw & Supply

M20-2.5 X 170mm Hex Head Cap Screws | Class 8.8 Steel Zinc Plated | Partially Threaded (10 / Pkg.)

M20-2.5 X 170mm Hex Head Cap Screws | Class 8.8 Steel Zinc Plated | Partially - Main image
$39.02 $63.96 In stock

M20-2.5 x 170mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Zinc Plated construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 10

Specifications

  • Thread Size: M20-2.5
  • Length: 170mm
  • Thread Pitch: 2.5mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Zinc Plated CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 10
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Daniel C. ★★★★★

The hex head on these M20 bolts grabbed my socket perfectly without any slipping, and the zinc plating gave them a clean, corrosion-resistant finish right out of the package. Used them to secure a heavy-duty machine base, and the partial threading made alignment a breeze. Solid hold for the price.

Hannah D. ★★★★★

Installed these on a piece of equipment where the partial threading made all the difference, grabbing cleanly without bottoming out. The hex head gave my socket a solid grip, and the zinc coating hasn't shown any rust yet after a few weeks in a damp shop. Just what I needed for a secure heavy-duty f

Scarlett H. ★★★★★

Used these to mount a heavy jig to my workbench and the hex head gave my socket a solid bite without slipping. The zinc plating looks clean and held up fine against a little moisture from my shop.