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M6 nut size
10 mm wrench
wrench size for M6 hex nut
M6 hex nut — standard metric hexagonal nut.
Full specification
| System | Metric |
| Nominal diameter | 6 mm |
| Wrench size (across flats) | 10 mm |
| Nut thickness | 5 mm |
| Common grade / class | Class 8 |
About M6 nuts
M6 hex nuts are standard metric hexagonal nuts used with M6 bolts and threaded rods.
The wrench size 10 mm is measured across the flats of the hexagon. The nut thickness is 5 mm.
Class 8 indicates the strength rating. These nuts are suitable for general-purpose applications.
Frequently asked questions
- What size wrench fits M6 nut?
- M6 nut uses a 10 mm wrench.
- How thick is a M6 nut?
- A standard M6 hex nut is 5 mm thick.
- What is the difference between M6 nut classes?
- Class Class 8 indicates the strength rating. Higher numbers mean stronger nuts.