#8-32 Carriage Bolts

25 products

#8-32 Carriage Bolts in all available lengths, grades, materials, and finishes. This collection covers every #8-32 option in stock — use the filters to narrow by length, grade, material, and finish.

#8-32 Thread Specifications

  • Nominal diameter: 0.164"
  • Threads per inch: 32
  • Tap drill (75% thread): #29 (0.136")
  • Clearance hole (close fit): #16 (0.177")
  • Clearance hole (free fit): #13 (0.185")

Pair #8-32 carriage bolts with a matching #8-32 nut. Use #16 (0.177") for a close-fit clearance hole or #13 (0.185") for free fit.

Orders before 12 PM ET ship same day.

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