1/4" Hex X 3-1/2" Female-Female Standoffs | #4-40 | Aluminum | Plain (250/Pkg.)

Mutual ScrewSKU: FC2138-440-A

Price:
Sale price$268.00per 250( $1.07 each)
Pieces 250
Measurement type Imperial
Thread size #4-40
Length 3-1/2
Material Aluminum
Finish Plain
Outer diameter 1/4
Shape Hex
Threads per inch 40
Weight 2.98 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

Precision aluminum standoffs for industrial enclosures and machine frames. These female-to-female spacers provide reliable panel separation and precise alignment for high-volume manufacturing environments.

Specs

  • Dimensions: Length 3-1/2 inch
  • End type: Female-Female
  • Thread type: #4-40
  • Drive type: 1/4 inch hex
  • Material: Aluminum
  • Finish: Plain
  • Packaging: 250 per package

Features

  • Internal threading: Both ends accept standard #4-40 screws, enabling secure two-sided mounting on electronics enclosures, control panels, and machine frames.
  • Material advantages: Aluminum yields high strength-to-weight ratio, dimensional stability, and ease of machining for tight tolerances in panel assemblies.
  • Applications: Ideal for panel separation, standoff positioning, and alignment in industrial cabinets, automation skids, robotics frames, and equipment housings.
  • Assembly considerations: Ensure screw length accounts for engagement depth on both ends; use compatible fasteners with #4-40 thread; consider post-assembly finishing if corrosion protection is required.
  • Packaging and procurement: Available in bulk 250-piece packs to support high-volume assembly lines and inventory planning.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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