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M10 nut size

17 mm wrench
wrench size for M10 hex nut

M10 hex nut โ€” standard metric hexagonal nut.

Full specification

SystemMetric
Nominal diameter10 mm
Wrench size (across flats)17 mm
Nut thickness8 mm
Common grade / classClass 8

About M10 nuts

M10 hex nuts are standard metric hexagonal nuts used with M10 bolts and threaded rods.

The wrench size 17 mm is measured across the flats of the hexagon. The nut thickness is 8 mm.

Class 8 indicates the strength rating. These nuts are suitable for general-purpose applications.

Frequently asked questions

What size wrench fits M10 nut?
M10 nut uses a 17 mm wrench.
How thick is a M10 nut?
A standard M10 hex nut is 8 mm thick.
What is the difference between M10 nut classes?
Class Class 8 indicates the strength rating. Higher numbers mean stronger nuts.