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How to Identify a Bolt How to Identify a Bolt
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How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Dec 16, 2015

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Belinda Cole
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Page 1: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

How to Identify a BoltHow to Identify a Bolt

Page 2: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

The parts of a BoltThe parts of a Bolt

Page 3: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

A Scale (or Ruler) is used to A Scale (or Ruler) is used to determine the dimensions of a determine the dimensions of a

bolt.bolt.

Page 4: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

One Side is Inches and the One Side is Inches and the other is Millimetersother is Millimeters

Page 5: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

The 16The 16thth Scale is easier than Scale is easier than the 32the 32ndnd Scale for measuring Scale for measuring

Fractional bolts.Fractional bolts.

Page 6: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Step 1 Step 1

Determine if the bolt is Metric or Standard

Page 7: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Is this metric or standardIs this metric or standard

Page 8: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Is this metric or standard?Is this metric or standard?

Page 9: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Step 2 is to determine the Step 2 is to determine the SizeSize

Size means the diameter of the bolt across the threads.

Page 10: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the size of this What is the size of this standard bolt?standard bolt?

Page 11: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the size of this metric What is the size of this metric bolt?bolt?

Page 12: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Step 3 is to determine the Step 3 is to determine the thread pitch.thread pitch.

Pitch means the number of threads per inch for a standard bolt.

Pitch means the distance between threads for a metric bolt.

Page 13: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Thread pitch is measured with Thread pitch is measured with a thread pitch gagea thread pitch gage

Page 14: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the pitch of this metric What is the pitch of this metric bolt?bolt?

Page 15: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the pitch of this What is the pitch of this standard bolt?standard bolt?

Page 16: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Step 4 is to measure the Step 4 is to measure the lengthlength

Length is measured from the bottom of the head to the end of the thread

Page 17: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the length of this What is the length of this standard bolt?standard bolt?

Page 18: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the length of this What is the length of this metric bolt?metric bolt?

Page 19: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

The 5The 5thth step is to determine step is to determine the Head size.the Head size.

Head size is measured from flat to flat.

Page 20: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the head size of this What is the head size of this metric bolt?metric bolt?

Page 21: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

What is the head size of this What is the head size of this standard bolt?standard bolt?

Page 22: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

If the threads are damaged If the threads are damaged what tool is used to repair what tool is used to repair

them?them?

Page 23: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.
Page 24: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

DieDie

Page 25: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Die SizeDie Size

Standard Die Size – Pitch

Example: 3/8 – 14

Metric Die Size – Pitch

Example: 10 X 1.25

Page 26: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Head SizeHead Size

Page 27: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Standard Bolt SizingStandard Bolt Sizing

Page 28: How to Identify a Bolt. The parts of a Bolt A Scale (or Ruler) is used to determine the dimensions of a bolt.

Metric Bolt SizingMetric Bolt Sizing

8.8