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How do you measure nut thickness?

3 min read

Asked by: Angela Acuna

Nuts are measured by the width of the hex shape and by their thread pitch. Bolts and nuts come in many different measurements and cannot be interchanged. Most nut and bolt measurements come in either metric sizing or standard sizing.

How is nut size measured?

Nuts are measured by the width of the hex shape and by their thread pitch. Bolts and nuts come in many different measurements and cannot be interchanged. Most nut and bolt measurements come in either metric sizing or standard sizing.

How do you measure the width of a nut?


The inside diameter of that bolt is not going to be exactly the same as its designation. So I've taken my burner calipers here and I'm measuring the inside of my nut.

How do you tell the thickness of a bolt?

You have a full head like this it's always measured a bolt from under the head to the end of the bolt. So that's your threads per inch in metric.

How do I know if my nut is metric or standard?

Metric fasteners are measured by length and pitch, or the distance between threads. So the systems are opposite in a way: The higher the TPI in a standard bolt, the finer the threads because there’s more squeezed into a set space. The greater the pitch on metric fasteners, the more distance between threads.

What size are M8 nuts?

8 mm

M8 nuts have a diameter of 8 mm.

How do I determine thread size?

Use a caliper to measure the nominal male or female thread press to crest diameter on the first fourth.

How are washers and nuts measured?

The easy way to measure these is using this bolt gage. Now this boat gage has studs on both ends of it and there's a shoulder on the stud. Course nuts will fit to that shoulder.

How do you measure bolt size?

To measure the diameter of screws and bolts, you measure the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.

How do you read a metric nut size?

Taking a closer look at this description, let’s explore its meaning:

  1. M = This designates the fastener is a metric size.
  2. 10 = The nominal diameter in millimeters.
  3. 1.0 = The thread pitch, or distance between threads, in millimeters.
  4. 20 = The fastener’s length, in millimeters.


What size is M12 nut in mm?

Spanner and Allen Key Sizes

Size Spanner Allen Key
M8 13 mm 6 mm
M10 17 mm 8 mm
M12 19 mm 10 mm
M16 24 mm 14 mm

How thick is an m20 nut?

16mm

16mm Nut Thickness (T)

How thick is an M8 nut?

6.5mm Nut Thickness (T) 0.13mm General Tolerances.

How thick is a M6 nut?

Standard Metric Hex Nuts, Types Styles 1 and 2 per.

Nominal Nut Dia. x Thread Pitch Width Across Flats, S Thickness M
Max Min
M4 × 0.7 7.00 2.90
M5 × 0.8 8.00 4.40
M6 × 1 10.00 4.90