SKU: STHCT1478

Daggerz 1/4" x 7/8" Self-Drilling Metal-to-Metal Screw, Hex Head - Dagger-Guard Coating, Qty. 4,000

Daggerz 1/4" x 7/8" Self-Drilling Metal-to-Metal Screw, Hex Head - Dagger-Guard Coating, Qty. 4,000!

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SKU: STHCT1478

Daggerz 1/4" x 7/8" Self-Drilling Metal-to-Metal Screw, Hex Head - Dagger-Guard Coating, Qty. 4,000

$411.31
 
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Specifications

Diameter: 1/4"
Finish: Dagger-Guard Coating
Length: 7/8"
Material: Carbon Steel
Additional Info: Buy American Act Compliant
Drive type: 5/16" Hex
For metal thickness: 20 Ga. - 12 Ga.
Head type: Hex Washer
Manufacturer name: Daggerz
Point type: #1 Drill Point
Quantity: 4,000
Threads per inch: 14
Description

The STHCT1478 Daggerz™ 1/4" x 7/8" Self-Drilling Screw with hex head and Dagger-Guard coating is built for fast, secure connections in light to medium-gauge steel. With an integrated drill point and serrated threads, these screws eliminate the need for predrilling and drive smoothly through metal substrates, saving time on the job.

Featuring Dagger-Guard corrosion protection, these screws are designed for exterior applications where rust resistance is critical. The hex washer head delivers high clamping force and a clean, flush finish, making this fastener ideal for metal framing, HVAC, and electrical applications.

Key Features:

  • Self-drilling point eliminates the need for predrilling
  • 1/4" hex washer head provides excellent driving stability
  • Dagger-Guard coating offers enhanced corrosion protection
  • Designed for metal-to-metal fastening in steel up to 12 gauge
  • Bulk pack of 4,000 for high-volume jobs

Applications:

  • Light to medium-gauge steel framing
  • Electrical boxes and conduit fastening
  • HVAC duct installation
  • General exterior metal construction
  • Commercial and industrial projects

Installation Notes:

  • Use with a 1/4" hex driver bit for optimal torque transfer
  • No pilot hole needed for steel up to 12 gauge
  • Drive until the head is snug against the surface without overdriving
  • Compatible with standard screw guns and impact drivers
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× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.
× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.
  • metal screws installed into metal

    Self-Drilling Screws for Fastening Metal to Metal

    Built for speed and precision, these self-drilling screws are designed to fasten metal to metal without the need for pre-drilling. With fine threads, hardened tips, and corrosion-resistant finishes, they deliver strong, lasting holds in structural steel, light-gauge framing, and more, all while increasing your efficiency on the job.

  • metal hex head screw installed into metal

    Self-Drilling Screws with Seemingly Unlimited Options

    Our self-drilling screws come in a wide range of options to tackle everything from metal-to-metal and wood-to-metal fastening to interior framing and exterior cladding. Choose from multiple head styles, drive types, and corrosion-resistant finishes like zinc, galvanized, ceramic-coated, and stainless steel, each built for strength, speed, and long-term performance.

  • Close-up of a screw being driven into metal with a drill bit.

    The Right Point for Every Project

    Different point types pierce various materials. Standard points handle light- to medium-gauge metal, long points tackle thicker steel, self-piercing points work well in wood or thin metal and winged points clear softer layers before drilling harder substrates, ensuring faster, cleaner and secure installations.

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