#12-24 Self-Drilling Screws

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#12-24 Self-Drilling Screws in all available lengths, grades, materials, and finishes. This collection covers every #12-24 option in stock — use the filters to narrow by length, grade, material, and finish.

#12-24 Thread Specifications

  • Nominal diameter: 0.216"
  • Threads per inch: 24
  • Tap drill (75% thread): #16 (0.177")
  • Clearance hole (close fit): #2 (0.221")
  • Clearance hole (free fit): 1/4" (0.250")

Pair #12-24 self-drilling screws with a matching #12-24 nut. Use #2 (0.221") for a close-fit clearance hole or 1/4" (0.250") for free fit.

Orders before 12 PM ET ship same day.

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