Mutual Screw & Supply

M16-1.5 X 40mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (25 / Pkg.)

M16-1.5 X 40mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class - Main image
$26.57 $37.42 In stock

These M16-1.5 x 40mm socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M16-1.5
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M16-1.5
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 25 per package
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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 (5.0 / 5 · 5 reviews)

Henry ★★★★★

Torqued these down on a jig today and the hex socket gripped perfectly without any rounding. The 12.9 grade gives me confidence these won’t snap under heavy load.

Ava S. ★★★★★

The black oxide finish on these screws gives them a nice, uniform look that resists glare in the shop. I used them to secure a metal bracket to a workbench and the hex socket drive made installation effortless. They feel incredibly solid for the price.

Emily U. ★★★★★

I needed a heavy-duty fastener for a jig I was building, and these 12.9 alloy steel screws were tough enough to handle the stress. The black oxide finish also looks clean against the metal and hasn't shown any signs of wear after several days of use.