[500 BULK] Self Drilling Screws Unslotted Indented Hex Washer #3 Point 18/8 Stainless 5/16 X 1 1/2

Mutual ScrewSKU: 3124KW188KC

Price:
Sale price$545.91per 500( $1.09 each)
Pieces 500
Measurement type Inch
Thread size 5/16
Diameter 5/16
Length 1-1/2
Material Steel
Grade 18/8
Finish Stainless Steel
Drive Unslotted
Head style Indented Hex Washer
Threads per inch 12
Weight 20.0 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

Upgrade your metal fastening with Self Drilling Screws Unslotted Indented Hex Washer #3 Point 18/8 Stainless 5/16 X 1 1/2. These high-performance fasteners are designed for quick, secure installations in metal applications, combining a self drilling point with the corrosion resistance of 18/8 stainless steel for lasting durability.

Key Features

  • Material: 18/8 stainless steel (304) for excellent corrosion resistance and durability.
  • Head style: Indented hex washer for a flush, low-profile finish.
  • Drive: Unslotted drive (no slot) to maximize strength and reduce stripping.
  • Point: #3 self drilling point for fast, self-tapping performance on metal without pre-drilling.
  • Size: 5/16 in diameter x 1-1/2 in length.

What It Is Used For

Designed for secure fastening in metal-to-metal assemblies, these screws are ideal for roofing, HVAC, metal fabrication, electronics enclosures, and other applications requiring a reliable stainless steel self drilling solution.

Why Choose These Screws

  • High corrosion resistance thanks to 18/8 stainless steel, suitable for outdoor or damp environments.
  • Self drilling capability reduces installation time by eliminating the need for pre-drilling.
  • Indented hex washer head provides a tight seal and clean appearance in finished assemblies.

Durable, corrosion-resistant, and designed for efficient fastening, these Self Drilling Screws are a dependable choice for professionals and DIY enthusiasts working with metal projects.

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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