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Daggerz 1/4-20 x 5 self-drilling screws 250
International Fasteners

Daggerz 1/4"-20" x 5" Hex Washer Head Self Drill Screws - 250 Qty

$283.86 - $283.86
$283.86
$283.86 - $283.86
$283.86
Availability:
In Stock
SKU SD5CT1450

Package Quantity: 250

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We'll exchange or refund any product that doesn't meet your expectations.

Uncover the full potential of this product

The Daggerz™ 1/4"-20 x 5" Hex Washer Head Self Drill Screws SD5CT1450 are designed for demanding metal-to-metal fastening applications requiring exceptional drilling performance and corrosion resistance. Manufactured from C1022 low carbon steel, these screws feature a powerful #5 self-drilling point capable of penetrating thick steel sections without pre-drilling. The hex washer head provides superior driving stability and secure clamping force, while the Dagger-Guard Coating™ delivers up to 1,000 hours of salt spray protection. Ideal for structural steel, heavy-gauge metal framing, roofing systems, and industrial fabrication projects, the SD5CT1450 self drilling screw offers reliable fastening performance in harsh environments. Supplied in a 250-piece carton.

Heavy-Duty Drilling

#5 drill point penetrates thick steel without pre-drilling.


Superior Corrosion Protection

Dagger-Guard Coating™ provides up to 1,000-hour salt spray resistance.


Strong Holding Power

Fine 20 TPI threads deliver secure metal-to-metal connections.


Stable Installation

Hex washer head improves torque transfer and reduces slippage.


Professional Bulk Packaging

Supplied in a 250-piece carton for commercial and industrial projects.


  • Model Number / SKU:
    SD5CT1450

  • Brand Name:
    Daggerz

  • Size:
    1/4"-20 x 5"

  • Length:
    5"

  • Thread Size:
    1/4"-20

  • Threads Per Inch:
    20

  • Fastener Type:
    Self Drilling Screw

  • Head Type:
    Hex Washer Head

  • Drive Size:
    3/8" Hex

  • Point Type:
    #5 Self-Drilling Point

  • Material:
    C1022 Low Carbon Steel

  • Finish:
    Dagger-Guard Coating™

  • Corrosion Resistance:
    1,000-Hour Salt Spray

  • Application:
    Metal-to-Metal Fastening

  • Recommended Installation Speed:
    Up to 1,800 RPM

  • Compliance:
    AC118, ASTM A510, ASTM B117, ASTM C1513, SAE J78

  • Package Quantity:
    250 Pieces

  • Carton Weight:
    Approx. 17 lbs

  • Country of Origin:
    Taiwan


Frequently Asked Questions

The SD5CT1450 features a larger #5 drill point designed for heavier-gauge steel applications. This allows it to drill through thicker materials more efficiently than standard self-drilling screws.

Yes, the Dagger-Guard Coating™ provides up to 1,000 hours of salt spray resistance. This makes the screw suitable for many exterior and corrosive environment applications.

The screw uses a 3/8-inch hex driver for installation. The hex washer head provides improved torque transfer and minimizes driver slippage during fastening.

These screws are commonly used in steel building construction, metal roofing, HVAC systems, industrial fabrication, and structural steel projects. Their heavy-duty drilling capability makes them ideal for demanding fastening tasks.

The 20 TPI fine thread design provides increased thread engagement in metal substrates. This helps improve pull-out resistance and creates a stronger metal-to-metal connection.