Mutual Screw & Supply

HOLO-KROME 42056 1/2-13 X 3/4" Knurled Cup Point Socket Set Screws | Alloy Steel Thermal Black Oxide (50 / Pkg.)

HOLO-KROME 42056 1/2-13 X 3/4" Knurled Cup Point Socket Set Screws | Alloy - Main image
$36.38 $58.68 In stock

1/2-13 X 3/4" knurled cup point socket set screws from Holo-Krome, part number 42056, headless and hex socket driven for locating and clamping components on shafts and in tapped holes.

  • Hex socket drive
  • Knurled Cup point
  • Alloy Steel Thermal Black Oxide construction
  • Made in the USA by Holo-Krome

Specifications

  • Part Number: 42056
  • Thread Size: 1/2-13
  • Length: 3/4"
  • Point Type: Knurled Cup
  • Drive: Socket
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Package Quantity: 50
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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)

Mia ★★★★★

The black oxide finish on these set screws is holding up well in a slightly damp machine shop environment. I had to get a set for a replacement part, and the hex socket engagement feels solid and precise. Definitely a step up from the generic ones I tried before.

Natalie P. ★★★★★

Installed these on a conveyor shaft last week and the knurled cup point really bit into the metal without slipping. The black oxide finish looks professional and hasn't shown any rust yet despite some moisture exposure.

Sebastian ★★★★★

Used a few of these to secure a sprocket on a custom shaft build, and the knurled cup point grabbed nicely without slipping during tightening. The black oxide finish held up well against some light oil exposure too.