M5 Bolt Size and Thread Specifications
M5 is a popular metric size for machinery, automotive, and general hardware. With a 5 mm nominal diameter and 0.8 mm pitch, it fits between M4 and M6 in strength and availability.
Specifications
| Specification | Value |
|---|---|
| Nominal diameter | 5 mm |
| Standard pitch | 0.8 mm |
| Tap drill size | 4.2 mm |
| Closest imperial equivalent | #10-24 |
Hex head size
| Bolt size | Hex head size |
|---|---|
| M5 | 8 mm |
Common uses
M5 bolts are used in machinery, automotive components, electronics, furniture, and structural applications where a medium-small fastener is required.
Related tools
Related charts
FAQ
What is the standard pitch for an M5 bolt?
The standard pitch for M5 is 0.8 mm.
What drill size should be used for tapping M5 threads?
For M5 x 0.8 thread, use a 4.2 mm tap drill.
What imperial screw is closest to M5?
#10-24 is the closest imperial equivalent to M5.