What size is the bolt head?

Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt.
US Bolts
Bolt Diameter (in)Head and Wrench Size (in)
5/815/161 1/16
3/41 1/81 1/4
7/81 5/161 7/16

What size is an M14 bolt?

The threads of an M14-2.0 screw, which is coarse, are spaced 0.079 inches (2.0 mm).

Table 3.
MetricClosest Inch
M8-1.255/16-18 (Smaller)
M10-1.53/8-16 (Smaller)
M12-1.751/2-13 (Larger)
M14-2.09/16-12 (Larger)

What size head is on a 1/4 bolt?

Hex Bolt Head Size Chart
DiameterHead Size

What size Bolt uses a 14mm wrench?

Metric / Standard Wrench Conversion Chart
Bolt DiameterMetricStandard
Apr 9, 2020

What is M14 in standard?

Thread Conversion Table
Metric CoarseMetric FineBSF/BSW
M14 x 2M14 x 1.59/16″
M16 x 2M16 x 1.55/8″
M20 x 2.5M20 x 1.53/4″
M24 x 3M24 x 21″

What does M14 bolt mean?

M14 means it is metric with a 14mm outside diameter.

What size bolt has a 13mm head?

Metric Bolt Head/Wrench Size
Bolt Diameter (mm)Head/Wrench Size (mm)

What size is a 12mm bolt?

Metric Shoulder Bolt Dimensions
Shoulder Diameter (A)Thread (C)Head Diameter (E)
8mm6mm x 1.013mm
10mm8mm x 1.2516mm
12mm10mm x 1.518mm
16mm12mm x 1.7524mm

What size bolt takes a 15mm wrench?

I believe that the bold that goes with the 15mm wrench is normally an M8. M8s usually use 12 or 13mm heads. Your list of wrenches may be true for whatever you work on, but the reality is that you need most sizes. GM uses even numbers for many of their fasteners on the engine side.

Is M8 a 13mm?

Active member. Confirm – Metric 13mm is an 8mm shank.

What size bolt has a 24mm head?

Dimensions for DIN931 Hex Head Bolt
Diameter (d)PitchAcross Flats (s)

What size is M5?

Metric clearance and tapping drill hole sizes.
SizeClearance Hole mmTapping Drill (std Pitch)
M55.54.2 mm
M66.55.0 mm
M896.75 mm
M10118.5 mm
Jun 19, 2020

What size thread is a 14mm nut?

Product details
Thread pitch:2.0mm
Width across the flats:22mm
Width across the flats Min:21.67mm

What does M12 mean on a bolt?

The first half (M12), is the size measurement (metric) taken across the outside diameter of the thread (which in this case is 12mm). The second half is the thread pitch, which is the measurement of threads/inch (which in this case is 1.75).

What does 8.8 mean on a bolt?

The second number indicates one-tenth of the percentage of the part’s nominal yield strength compared to the part’s nominal tensile strength. So, in English, a PC 8.8 bolt is a bolt with a nominal tensile strength of 800 MPa and a nominal yield strength that is 80% of the bolt’s nominal tensile strength, or 640 MPa.

How do I know what size nut I have?

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. If the nut is US standard, count the smallest lines on the tape measure in sixteenths. Add the sixteenths together to find the size.

How do I know what size nut I need for a bolt?

How can you tell if a bolt is metric or standard?

How long is that bolt? Most bolts come in pretty uniform lengths; and this is a good way to determine if the bolt is metric or standard. Measure the bolt length (not including the cap), and see if it’s closer to a fraction of an inch, or a nice and round millimeter length that ends in 5 or 0.

How do I identify a bolt?

How do you measure bolt head for socket?

  1. Insert the shank of the bolt into the holes in a bolt-sizing gauge. …
  2. Locate the printed bolt size to the side of the correct hole on the gauge (for example, 1/2, 3/4 or in mm for metric bolts).
  3. Locate the socket head in the socket set that has this size printed on its side.

What size bolt takes a 15/16 wrench?

US Bolt Head/Wrench Size
Bolt DiameterHead and Wrench Size
Hex Bolt – Lag Bolt – Square BoltHeavy Hex Bolt

What are the markings on a bolt head?

The markings can identify the standard to which the bolt was made. For instance, if a bolt head contains three radial lines, then it’s a Grade 5 bolt. If it contains five radial lines, then the bolt is Grade 8.