5/16 X 1-1/4" Type AB Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Slotted Drive | 18/8 Stainless Steel (500/Pkg.)

Mutual ScrewSKU: 3120ABSW188KC

Price:
Sale price$1,007.75per 500( $2.02 each)
Pieces 500
Measurement type Inch
Thread size 5/16
Length 1-1/4
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Slotted
Head style Indented Hex Washer Head
Point type Type AB
Threads per inch 12
Thread style Fully Threaded
Weight 17.0 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

Type AB self tapping sheet metal screws deliver reliable fastening into sheet metal with minimal preparation. Indented hex washer head and slotted drive enable flush seating and predictable torque in bulk 500 piece packs.

Designed for professional metal fabrication, these screws combine corrosion-resistant stainless steel with a compact head profile to minimize protrusion in assemblies such as enclosures, automotive panels, and HVAC components.

Specs

  • Dimensions: Diameter 5/16 inches; Length 1-1/4 inches.
  • Drive Type: Slotted.
  • Material Grade: 304 Stainless Steel (18/8).
  • Thread Type: Self-tapping.

Features

  • Indented Hex Washer Head: Flush seating with a robust bearing surface; improved load distribution in sheet metal.
  • Self-tapping Thread: Forms its own mating threads in thin gauge metals, eliminating the need for pilot holes in many applications.
  • Slotted Drive: Compatibility with standard slotted tools; reliable torque control in tight tolerances.
  • Material and Corrosion Resistance: 304 Stainless Steel (18/8) provides inherent corrosion resistance for indoor and protected outdoor environments.
  • Packaging: Bulk 500 piece packs suitable for high-volume manufacturing and field installations.
  • Application Suitability: Ideal for metal enclosures, electrical panels, automotive trim, HVAC ductwork, and general sheet metal assemblies requiring quick, secure fastening.

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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