Mutual Screw & Supply

M5-0.8 X 20mm Hex Head Cap Screws | Class 8.8 Steel Yellow Zinc | Fully Threaded (500 / Pkg.)

M5-0.8 X 20mm Hex Head Cap Screws | Class 8.8 Steel Yellow Zinc | Fully - Main image
$20.59 $31.2 In stock

M5-0.8 x 20mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 500

Specifications

  • Thread Size: M5-0.8
  • Length: 20mm
  • Thread Pitch: 0.8mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 500
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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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Delivery costs

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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)

David L. ★★★★★

The yellow zinc coating on these is nicely even, and the 8.8 steel feels sturdy for machine assembly. Used a full bag on a frame project with zero stripped threads.

Ryan ★★★★★

These hex bolts drove in cleanly with a standard 8mm socket and the yellow zinc coating looks consistent across all 500 pieces. The 20mm length fit perfectly for the jig I was building after stripping some cheaper hardware.

Evelyn A. ★★★★★

I needed a solid batch of M5 bolts for assembling some jigs, and these hex head screws grab my wrench beautifully without slipping. The yellow zinc finish looks clean and gives me confidence they’ll resist rust in my workshop.