[10000 BULK] Thread Rolling Screws Slotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe #4-40 X 3/8 Taptite Screws Alternative
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[10000 BULK] Thread Rolling Screws Slotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe #4-40 X 3/8 Taptite Screws Alternative

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[10000 BULK] Thread Rolling Screws Slotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe #4-40 X 3/8 Taptite Screws Alternative

Mutual ScrewSKU: 0406RSWKC
Price:
$156.46per 10000( $0.02 each)
Pieces 10000
Measurement type Inch
Thread size #4-40
Diameter #4
Length 3/8
Material Steel
Finish Zinc & Waxed
Drive Slotted
Head style Indented Hex Washer
Threads per inch 40
Weight 12.0 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

Thread Rolling Screws Slotted Indented Hex Washer Head in Steel Zinc & Waxed Tri-Lobe #4-40 X 3/8 — a high-performance Taptite screws alternative designed for secure, durable assemblies.

Engineered for forming threads as they drive, these screws deliver strong holding power in thin metals and precision enclosures while minimizing risk of thread damage.

Key advantages

  • Thread-rolling design: forms threads in the substrate for greater pull-out resistance without pre-tapping.
  • Slotted Indented Hex Washer Head: low-profile seating with a reliable load-bearing surface.
  • Tri-Lobe drive: enhanced torque transfer and reduced cam-out for easier installation.
  • Material & finish: steel with zinc plating and a waxed coating for corrosion resistance and smooth driving.
  • Size: #4-40 thread, 3/8 inch length.
  • Alternative to Taptite screws: suitable replacement in compatible assemblies.

Applications

Ideal for lightweight metal assemblies, enclosures, electrical housings, and other projects where forming threads is advantageous. Use these screws when you need strong, repeatable clamping with reduced risk of threading damage in moderately soft metals and compatible plastics.

Specifications

  • Diameter: #4-40
  • Length: 3/8 in
  • Head style: Slotted Indented Hex Washer Head
  • Drive: Tri-Lobe
  • Material: Steel
  • Finish: Zinc plating with waxed coating
  • Type: Thread rolling self-tapping screw

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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