5/16 X 1-3/4" Type AB Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Slotted Drive | Steel Zinc & Bake (1000/Pkg.)

Mutual ScrewSKU: 3128ABSWKC

Price:
Sale price$371.35 Regular price$502.39per 1000( $0.37 each)
Pieces 1000
Measurement type Inch
Thread size 5/16
Length 1-3/4
Material Steel Zinc & Bake
Finish Zinc Plated
Drive Slotted
Head style Indented Hex Washer Head
Point type Type AB
Threads per inch 12
Thread style Fully Threaded
Weight 39.0 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 with Indented Hex Washer Head and Slotted Drive deliver reliable fastening for metal-to-metal assemblies. Constructed from steel with a zinc finish and bake coating, they provide consistent torque transfer and corrosion resistance for durable installations.

Specs

  • Dimensions: 5/16 diameter x 1-3/4 length
  • Finish: Zinc & Bake
  • Drive Type: Slotted
  • Material Grade: Steel
  • Thread Type: Self Tapping

Features

  • Self Tapping: Creates its own mating threads in sheet metal, enabling installation without pre-tapping and reducing assembly time in production lines or on-site repairs.
  • Indented Hex Washer Head: Provides flush seating with improved torque transfer and reduced pull-through risk in shallow panels.
  • Drive Type: Slotted drive supports quick bit changes and compatibility with legacy tooling; suitable for restricted access installations where standard slots are accessible.
  • Finish Zinc & Bake: Offers enhanced corrosion resistance in indoor and semi-outdoor environments; protective coating extends fastener service life.
  • Material Steel: High shear strength for metal-to-metal joints; well suited for general purpose structural and chassis assemblies.
  • Use Cases: Fastening thin sheet metal panels to frames in equipment enclosures; retrofit applications where pre-tapping is impractical; applications requiring flush heads and load distribution across a washer.

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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