Are m10 and 3/8 the same
Isabella Wilson
Published Feb 19, 2026
As George says the CG-5 does use the metric 10 x 1.5. That said, they are very close, the 3/8″ bolt is about 0.019″ smaller and the pitch’s are very close so the 3/8 -16 bolt will thread in the 10mm x 1.5 but the 10 x 1.5 bolt will not fit the 3/8 but..
Is 3/8 or M10 bigger?
Metric CoarseMetric FineBSF/BSWM10 x 1.5M10 x 1.253/8″M12 x 1.75M12 x 1.251/2″M14 x 2M14 x 1.59/16″M16 x 2M16 x 1.55/8″
What is the difference between 3/8 and 10mm?
10mm = just over 3/8 inch. 11mm = almost 7/16 inch. 12mm = almost 15/32 inch (= almost 1/2 inch)
Can I use a 3/8 instead of 10mm?
Yes, a 10mm hanger will physically fit on a 3/8″ bolt. 3/8″ = 9.525mm I don’t see any problem with that at all. Just don’t apply that thinking to drill bit diameters and bolt sizes!What size is a 3/8 bolt in metric?
Bolt DiameterMetricStandard3/8″14mm9/16″7/16″16mm5/8″1/2″19mm3/4″9/16″21mm13/16″
What size is M10 drill bit?
Tap SizeDrill SizeM9 x 1.257.9mmM10 x 19.1mmM10 x 1.258.9mmM10 x 1.58.4mm
Is M10 and 3/8 the same?
As George says the CG-5 does use the metric 10 x 1.5. That said, they are very close, the 3/8″ bolt is about 0.019″ smaller and the pitch’s are very close so the 3/8 -16 bolt will thread in the 10mm x 1.5 but the 10 x 1.5 bolt will not fit the 3/8 but..
Is M10 same as 10mm?
If the size is M10 x 25, that would mean that the diameter is 10 mm. … The 25 indicated a length of 25 mm. A matching nut would be labeled M10, which also doesn’t require a thread pitch since it’s a course thread fastener.What is a 10mm socket equivalent to?
So what is a 10mm socket equivalent? The equivalent imperial size of a 10mm socket is a 3/8 socket. Imperial sizes are known as SAE (Society of Automotive Engineers) or Standard. Metric sizes, also known as SI (Système International), from the French International System.
What size socket is between 10mm and 11mm?Bolt DiameterStandardMetric1/8″5/16″8mm3/16″3/8″10mm1/4″7/16″11mm5/16″1/2″13mm
Article first time published onIs there a 10mm socket?
In fact, the 10mm socket is one of the most commonly used metric size sockets of all. It’s no secret that the majority of parts under the hood and in the car require a 10mm. The applications may vary from car to car, but the 10mm is absolutely vital to complete a project.
What is bolt size m10?
NOMINAL SIZE (D)BODY DIAMETERHEAD THICKNESSD (MAX)H (MAX)m1010.006.63m1212.007.76m1414.009.09
What is 10 mm in fractions?
Millimeters (mm)Inches (“) (decimal)Inches (“) (fraction)10 mm0.3937 ″25/64 ″20 mm0.7874 ″25/32 ″30 mm1.1811 ″1 3/16 ″40 mm1.5784 ″1 37/64 ″
What is M10 size?
Tap sizeBasic major dia (mm)Basic major dia (inch)M8 x 18mm.3150M10 x 1.510mm.3937M10 x 1.2510mm.3937M12 x 1.7512mm.4724
What size is M10 bolt in inches?
MetricClosest InchM8-1.255/16-18 (Smaller)M10-1.53/8-16 (Smaller)M12-1.751/2-13 (Larger)M14-2.09/16-12 (Larger)
What size is a 3/8 bolt?
Table B1 HEX BOLT DIMENSIONSBolt SizeA (max)F Thread Length for Bolt Length1/4″0.2600.7505/16″0.3240.8753/8“0.3881.000
What size hole to drill for M10 tap?
ThreadDrill size for tapping standard metric threadsClearance holeM108.511M1210.213.5M141215.5M161417.5
What size drill bit do I need for a M10 Rawl Bolt?
CertificationsThreadM10Drill Hole Size16mmWeightPer Unit98g
What size drill do you use for a 3/8 tap?
Nominal Size (inches)T P ITapping Drill Size1/41929/64″3/81915.25 mm19/32″1/21419.00mm
What size Bolt uses a 10mm wrench?
Bolt Diameter (mm)Head/Wrench Size (mm)ANSI/ISODIN588610107–11
What is 3/8 of an inch in Millimetres?
Dimensions — Inches to Metric0.375”3/8”9.53 mm0.438”7/16”11.13 mm0.500”1/2”12.70 mm0.563”9/16”14.30 mm
What is the next size up from a 3/8 socket?
Six Point Standard Sockets (3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1)
What size is equivalent to 10mm?
SAEMetricInch10mm0.39413/32″0.40611mm0.4337/16″0.438
What are the different socket sizes?
There are four common socket sizes: 1/4 inch (0.6 centimeters), 3/8 inch (0.9 centimeters), 1/2 inch (1.3 centimeters) and 3/4 inch (1.9 centimeters).
What's the difference between M10 and M12?
The only difference between the M10 and M12 is the external appearance.
How do I know what size bolt I need?
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.
What is 3/8 as a decimal?
3/8 as a decimal is 0.375.
What is 7.5 mm in fractional inches?
mmDecimals (in.)7.50.29537.5410.29697.60.29927.70.3031
What do you mean by M10?
The “M” designates the bolt is Metric and the number after the M indicates the size. The number after that is the length. The number after that is the thread pitch. eg: M10 x 40 x 1.25. In this example the bolt is 10 mm in diameter, 40 mm long, and the threads are 1.25 mm apart.
How big is an M10 hole?
Nominal sizePitchPercentage of thread engagement hole diameter (mm)M101.58.701.258.9219.130.759.35