#10 Screw Size and Thread Specifications
#10 is a common numbered screw size. #10-24 (24 TPI) is used in machinery, automotive, and general hardware. Diameter is approximately 0.190 in (4.8 mm), close to metric M5.
Specifications
| Specification | Value |
|---|---|
| Designation | #10-24 (common) |
| Diameter | 0.190 in (4.8 mm) |
| Threads per inch (TPI) | 24 |
| Tap drill size | #25 |
| Closest metric equivalent | M5 |
Head types
| Screw size | Common head types |
|---|---|
| #10 | Pan head, flat head, round head, hex head (Phillips, slot, hex) |
Common uses
#10 screws are used in machinery, automotive, furniture, and structural applications. #10-24 is a standard coarse thread for machine screws and is very common in North American hardware.
Related tools
Related charts
FAQ
What is #10 screw size?
#10 is a numbered (wire gauge) screw size. #10-24 means a #10 diameter with 24 threads per inch. Diameter is approximately 0.190 in (4.8 mm).
What drill size for #10-24 tap?
Use a #25 drill for #10-24 tapping.
What metric screw is closest to #10?
M5 is the closest metric equivalent to #10. See M5 bolt size for full specs.