# Quick Answer: How Do You Read A Wrench Size?

## How do I know what size wrench to use?

Multiply the first number which is the bolt size in inches or millimeters, by 1.5 using a pocket calculator, if necessary.

For example, for the numbers in Step 1, 1/2 x 1.5 = .

75 or 3/4, which is the wrench size needed for this standard-sized bolt..

## What are SAE wrench sizes?

Sizes Include: 17mm, 19mm (3/4), 21mm, 13/16 inch and 7/8 inch. Metric Sizes: 7, 8, 9, 10, 11, 13, 14, 16, 17 and 18mm SAE Sizes: (9/32), (5/16), (11/32), (3/8), (7/16), (1/2), (9/16), (5/8), (11/16) and (23/32″). Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm.

## Is a 3/8 socket the same as a 10mm?

It’s the same size. 3/8 is in inch and and its 10mm.

## How do you read spanner size?

Modern spanner sizes refer to the distance across the flats of the hexagonal nut or bolt they would fit. A 17mm spanner therefore fits a nut 17mm across its flats and this is normally a nut to fit a 10mm diameter bolt (M10).

## What are wrench sizes?

Wrenches: Standard Combination Wrenches (1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1) Metric Combination Wrenches (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) Standard Flare Nut Wrenches (3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 7/8) Note: Each wrench may combine two sizes.

## What is standard socket size?

Therefore, it’s important to choose the precise socket size that fits the particular fastener. 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).

## How do I know what size spanner wrench to get?

Spanner wrenches come in various sizes from 4 inches to 18 inches in length.To determine what size spanner wrench you have, measure from the end of the handle to the edge of the fixed side of the vise. Some spanner wrenches have the size printed on the handle.

## What size wrench fits a 6an fitting?

The Good NewsMale Thread SizeAN Size*Male fitting ID9/16-186AN0.30″3/4-168AN0.39″7/8-1410AN0.48″1 1/16-1212AN0.61″3 more rows•Jul 25, 2012

## What does a spanner wrench look like?

The most common type of spanner wrench is the C spanner. Its head is open in the shape of the letter C, and its jaws are meant to correspond to the similarly sized nut. The obstruction spanner is similar to the C spanner, except its jaws are angled more steeply to enable you to reach nuts in confined spaces.

## What size is a 13mm wrench?

Wrench Size Chart for BoltsBolt DiameterWrench Size (Standard)Wrench Size (Metric)3/16″3/8″10mm1/4″7/16″11mm5/16″1/2″13mm3/8″9/16″15mm20 more rows•May 29, 2020

## How many spanner sizes are there?

Other combinations are also available. Sockets are often made from Chrome Vanadium Steel and can apply much more torque and control than open ended spanners. Sets may contain as few as 10 or 12 different sizes but there can be 100’s in the most comprehensive sets.

## How do I know my socket size?

Drive Hole indicates the size of the drive hole (also referred to as the “driver hole” or “square hole”), which determines the torque size of the driver tool you’ll need. For example, you’d use a ½-inch drive socket with a ½-inch drive ratchet. L indicates the overall socket length.

## What size bolt does a 1/2 inch wrench fit?

US Bolt Head/Wrench SizeBolt DiameterHead and Wrench SizeHex Bolt – Lag Bolt – Square BoltHeavy Hex Bolt5/16″1/2″-3/8″9/16″-7/16″5/8″-13 more rows

## What size is a 7/16 spanner?

Bolt dia.AF spanner size inchesSpanner size MM1/4 inch7/16 inch11.11 mm5/16 inch1/2 inch12.7 mm3/8 inch9/16 inch14.29 mm7/16 inch5/8 inch15.88 mm10 more rows

## What are the most common wrench sizes?

Most common are the 1/4-inch, 3/8-inch and ½-inch ratchet drivers, but ¾-inch and 1-inch sets are available for heavy-duty work.