# Need to know the wrench size for 10.9 screw

## How do I know what size wrench I need?

To calculate the wrench size needed, you must first measure your bolt. Take the diameter of the bolt, and multiply by 1.5. This calculation and conversion factor is valid for either metric or standard bolt sizes. The resulting number will be the size of the wrench you need to adjust the bolt properly.

## How do you know what size wrench to use on a bolt?

Quote from video: It says well they're here here's the bolt it takes a half inch wrench. So i grab this handy little tool it's a bolt gauge. And i'd say okay it's a okay it's not a quarter inch.

## What size wrench fits a M10 nut?

Resources

WRENCH OR SOCKET SIZE ACROSS FLATS HEX NUTS STYLE 1 HEAVY HEX NUTS
13.00 M8 x 1.25
15.00 M10 x 1.5
16.00 M10 x 1.5
18.00 M12 x 1.75

## How are wrenches sized?

Standard wrenches are sold in sixteenth-inch increments up to one and a half inches (and in metric sizes, too, of course). The length of the tool varies in proportion to its size, ranging from about four inches to almost two feet.

## What do wrench numbers mean?

These multiple standards meant that some wrench openings might be marked with three size indications. For example, a number 23 wrench would be marked “3/16 U.S.S.” for the small opening, and “1/4 U.S.S.”, “5/16 Hex Cap”, and “5/16 S.A.E.” on the larger end. Also, the U.S.S. size was sometimes marked as “NUT”.

## How do I calculate nut size?

Stretch the tape measure across the nut’s diameter to the flat-side directly across from the one your pulling from. If the nut is metric, count the number of lines on the tape measure to find the measurement. If you count 9 lines, the size is a 9-mm (millimeter) nut.

## What size bolt uses a 1/2 wrench?

Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt.

US Bolts
Bolt Diameter (in) Head and Wrench Size (in)
3/8 9/16
7/16 5/8
1/2 3/4 7/8

## What are the metric wrench sizes?

Metric / Standard Wrench Conversion Chart

Bolt Diameter Metric Standard
1/4″ 11mm 7/16″
5/16″ 13mm 1/2″
3/8″ 14mm 9/16″
7/16″ 16mm 5/8″

## Is M10 the same as 10mm?

If the size is M10 x 25, that would mean that the diameter is 10 mm. Since there is no thread pitch listed, the fastener is assumed to have a coarse thread. 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 an M10 screw?

M10 bolts are a highly adaptable and strong fixing, which can be used in many applications within construction and at home. They are adjusted with either a spanner or wrench due to their hexagonal head and have a full or half threaded stem, so they can be used with a nut or in a tapered hole.

## What size is 10mm?

3/8 inch

10mm = just over 3/8 inch. 11mm = almost 7/16 inch. 12mm = almost 15/32 inch (= almost 1/2 inch) 13mm = just over 1/2 inch.

## What is a size 10 wrench?

SAE & Metric Wrench Conversions

SAE Wrench Size Bolt Size (SI) Metric Wrench Size
5/16″ 1/8″ 8 mm
3/8″ 3/16″ 10 mm
7/16″ 1/4″ 11 mm
1/2″ 5/16″ 13 mm

## How do I pick a wrench?

Ring and Open End Wrenches

The ring end should be your first choice. The ring fits over the nut and contacts all six corners. This gives you the safest way of loosening or tightening the nut. The flat jaws of the open end contacts only two corners of the nut.

## What are the most commonly used wrench sizes?

The most commonly used and sold SAE sizes for wrenches and sockets are:

• 5/16″
• 3/8″
• 7/16″
• 1/2″
• 9/16″
• 5/8″
• 11/16″
• 3/4″

## How do I calculate nut size?

Stretch the tape measure across the nut’s diameter to the flat-side directly across from the one your pulling from. If the nut is metric, count the number of lines on the tape measure to find the measurement. If you count 9 lines, the size is a 9-mm (millimeter) nut.

## What is the standard socket wrench size?

These drive fittings come in four common sizes: 1⁄4 inch, 3⁄8 inch, 1⁄2 inch, and 3⁄4 inch (referred to as “drives”, as in ” 3⁄8 drive”).

## What are the most common wrench sizes?

The most commonly used and sold SAE sizes for wrenches and sockets are:

• 5/16″
• 3/8″
• 7/16″
• 1/2″
• 9/16″
• 5/8″
• 11/16″
• 3/4″

## What are the metric wrench sizes in order?

Metric Combination Wrenches (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)

## Is 3/4 and 19mm the same?

19mm = 3/4 inch. 20mm = 25/32 inch. 21mm = just over 13/16 inch. 22mm = almost 7/8 inch.