#10-32 UNF thread: 4.83 mm × 32 TPI
Threads › #10-32 UNF
#10-32 UNF is a UNF thread: 4.83 mm major diameter, 32 TPI (0.794 mm pitch), 60° form.
| Standard | UNF |
|---|---|
| Major diameter | 4.826 mm (0.19″) |
| Pitch | 32 TPI (0.794 mm) |
| Thread angle | 60° |
| Minor diameter, bolt | 3.85 mm |
| Minor diameter, nut | 3.97 mm |
| Tap drill | Not listed. Check your tap maker's chart. |
| Usual class | 2A bolt, 2B nut |
Minor diameters worked out from the basic profile: major Ø − 1.22687 × pitch (bolt) and − 1.08253 × pitch (nut).
Open #10-32 UNF in BenchsmithAdd to order list
Measure it
Bolt: Measure across the crests of the bolt with the caliper jaws. Worn bolts read 0.1 to 0.3 under.
Nut or tapped hole: Measure across the tops of the threads inside the nut or hole with the inside jaws. That is the minor Ø. Worn or oversize holes read a little over.
Same diameter, other pitch
- #10-24 UNC24 TPI (1.058 mm pitch)
Close in size, won't mate
- 3/16 BSWØ4.76 mm, 24 TPI
- M5Ø5 mm, 0.8 mm pitch
- #8-32 UNCØ4.17 mm, 32 TPI
- #12-24 UNCØ5.49 mm, 24 TPI
- M4Ø4 mm, 0.7 mm pitch
One size up or down
- #8-36 UNFØ4.17 mm (down)
- 1/4-28 UNFØ6.35 mm (up)
Got a bolt and no idea what it is? Measure the outside Ø and type it into Benchsmith → Find → Thread.