# Question: What Does M10 Mean On A Bolt?

## What does bolt size m10 mean?

31496″) The M10, about 10 mm in diameter, (.

3937″) and the M12 about 12 mm in diameter, (.

4724″).

The “M” designates the bolt is Metric and the number after the M indicates the size.

In this example the bolt is 10 mm in diameter, 40 mm long, and the threads are 1.25 mm apart..

## What is m10 bolt in inches?

Tap sizeBasic major dia (mm)Basic major dia (inch)M6 x 16mm.2362M8 x 1.258mm.3150M8 x 18mm.3150M10 x 1.510mm.393724 more rows

## What size is a m10 bolt?

Metric Hex Bolt DimensionsNOMINAL SIZE (D)BODY DIAMETERm1010.009.78m1212.0011.73m1414.0013.73m1616.0015.7313 more rows

## What do bolt sizes mean?

The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters (millimeters is abbreviated “mm”). For nuts, size will appear as diameter and pitch. … In the example above, a pitch of 1.0 means that from one thread to the next thread, the distance is 1.0 millimeter.

## Is m10 the same as 10mm?

31496″) The M10, about 10 mm in diameter, (. 3937″) and the M12 about 12 mm in diameter, (. 4724″). The “M” designates the bolt is Metric and the number after the M indicates the size.

## Is Grade 8 or 10.9 stronger?

Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. A low carbon steel for general use.

## What does m8 1.25 mean?

For metric fasteners, you will see a M8 x 1.25 or an M8 x 1. For thread pitch, the distance between two points is the second number meaning the higher the number the fewer threads there are. This means the M8 x 1.25 is the coarse threading and the M8 x 1 is the fine thread.

## What are standard bolt sizes?

Typically, machine bolt sizes range from 1/4″ to 1 1/4″ for square heads and 3/8″ to 1 3/4″ in diameter for hex heads, and lengths span from about 3/4″ to 18″ for square and 6 1/2″ to 24″ for hex heads. Measure length from under the head to the threaded end of the bolt.

## Are m10 and 3/8 the same?

Since 10 mm is bigger than 3/8″, the simple answer is, “NO”. But you CAN drill the hole out to either 25/64″ (for 3/8-24) or letter “X” (. 397″)( for 3/8-16), and tap for a Helicoil.