threadgage


This Thread Identification Gage is offered complimentary in each Fastener Black Book

How to Use

Step 1  //  Size the Bolt Thread Diameter using the Gage Holes
Fastener Thread Pitch
Example: Thread Diameter = 9/16"
 
Step 2  //  Mate the Bolt Threads up against the Gage Threads
               to determine the Threads per Inch (tpi) or Pitch (mm)
Thread  Identification Chart
..... Threads per Inch = 18 tpi
 
Step 3  //  To Identify the Thread Size, refer to the chart on the reverse
               side of gage or back cover of the Fastener Black Book
..... if the known values are:

9/16" & 18 tpi

Therefore Thread Type is:

UNF
Metric Thread Size Chart

Enlarge
 

Specifications

Metric Thread Pitch Chart

Size - Overall
80.00mm x 145.00mm
3.149" Inches x 5.708" Inches

Material
Aluminium

Thickness
0.9mm
0.0354" Inches

Pitches
3.0, 2.5, 2.0, 1.75, 1.5, 1.25, 1.0, 0.8 (mm)
10, 11, 12, 13, 14, 16, 18, 20, 24, 28 (tpi)

Hole Diameters
M2.5, M3, M3.5, M4, M5, M6, M7, M8, M10, M12, M14, M16, M18, M20
No. 2, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4"

Weight
20.5 Grams
0.723 oz



This Thread Identification Gage is offered complimentary in the following books:
Fastener Black Book - 1st Edition
Fastener Black Book - INCH Edition
All other Fastener Black Book Language Editions

Metric Thread Size

For all inquiries regarding this Thread Identification Gage: Click Here