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Substructural Self-Drilling Fasteners (100pk)

Price range: $21.38 through $91.92

Our Substructural Self-Drilling Fasteners are designed for secure and efficient attachment in steel framing and substructural applications. Featuring self-drilling TEK points, these fasteners eliminate pre-drilling and ensure fast, consistent installation in metal-to-metal connections. Manufactured with a Galvalume coating, they offer excellent corrosion resistance for long-term durability.

Available options include:

  • #12-24 x 1¼” TEK 4.5 HWH – ideal for heavier gauge steel, delivering strong drilling capacity and secure fastening
  • 1/4-14 x 1¼” Shoulder TEK 2 (3/8″ HWH) – provides a built-in shoulder for spacing and controlled fastening depth
  • 1/4-14 x 1¼” TEK 2 (5/16″ HWH) – perfect for lighter gauge applications, offering fast drive speeds and efficient installation

Packaged in convenient 100-count boxes, these fasteners are built for reliability and performance in demanding commercial and industrial steel framing projects.

Screw Type

#12-24 x 1¼" TEK4.5 HWH WO/W PLAIN, 1/4 -14 x 1¼" SHOULDER TEK2 3/8 HWH WO/W, 1/4 -14 x 1¼" TEK2 5/16 HWH WO/W PLAIN