[3000 BULK] Machine Screws Unslotted Indented Hex Washer Zinc Plated 1/4-20 X 1/2

Mutual ScrewSKU: 1408MWKC

Price:
Sale price$315.94per 3000( $0.11 each)
Pieces 3000
Measurement type Inch
Thread size 1/4-20
Diameter 1/4
Length 1/2
Material Steel
Grade Steel
Finish Zinc Plated
Drive Unslotted
Head style Indented Hex Washer
Threads per inch 20
Thread style Fully Threaded
Weight 38.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Secure, durable, and corrosion-resistant, these Machine Screws Unslotted Indented Hex Washer Zinc Plated 1/4-20 x 1/2 raise the standard for metal fastening in assemblies and enclosures. Built with rugged steel, they feature a built-in washer for load distribution and an indented hex (Allen) drive for reliable tightening without slippage.

  • Thread size: 1/4-20 UNC
  • Length: 1/2 in
  • Drive type: Internal hex (Allen), unslotted
  • Head style: Indented hex washer head with built-in washer
  • Finish: Zinc plated for corrosion resistance
  • Material: Steel

Applications include securing panels, enclosures, machinery components, and electronics housings where a compact, high-strength fastener is required.

  • High load distribution thanks to the washer under the head, reducing pull-through in softer materials
  • Corrosion resistance suitable for indoor environments and typical shop settings
  • Easy installation with a hex key or Allen driver

Tips: Use in tapped holes designed for 1/4-20 threads; avoid over-tightening to prevent stripping.

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800-222-0324

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