Helical Coil Gages

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(248) 585-5800   FAX: (248) 583-9800

PO Box 133, Royal Oak, MI 48068-0133

 
  Products  
< Reversible Thread Plug Gages (Standard)
< Taperlock Thread Plug Gages
< Helical Coil Gages
< Metric Thread Gages
< Pipe Thread Gages
< Thread Ring Gages
< Truncated Thread Setting Plug Gages
 

Reference Aids

 
< Thread Gage Tolerances- Class Y
< Thread Gage Tolerances- Class W
< Thread Gage Tolerances- Class X
< Metric Thread Gages- Thread Rings & Setting Plugs
< Metric Thread Gages- Thread Work Plugs
< American National Taper Pipe Thread Gages- NPT
< Pipe Thread Gages
< Unified Thread Gages- Thread Rings & Settings
< Unified Thread Gages- Thread Work Plugs Pitch & Diameter
< Gage Pipe Plugs- Internal & External
HELICAL COIL GAGES (STI)
CLASS X TAPERLOCK DESIGN
SIZE THREADS PER INCH THREAD LENGTH (X) TOLERANCE
UNC UNF GO HI (NOT GO) GO MEMBER 2B-3B

NOT GO MEMBER

HANDLE
2 56   5/16 7/32 47.00 47.00 9.50
4 40 48 5/16 7/32 43.25 43.25 9.50
5 40   5/16 7/32 42.00 42.00 9.50
6 32 40 13/32 7/32 38.50 38.50 9.50
8 32 36 13/32 7/32 38.50 38.50 9.50
10 24 32 13/32 7/32 38.50 38.50 9.50
12 24   1/2 5/16 37.25 37.25 9.50
1/4 20 28 1/2 5/16 37.25 37.25 9.50
5/16 18 24 3/4 3/8 37.25 37.25 9.50
3/8 16 24 3/4 3/8 38.50 38.50 9.50
7/16 14 20 3/4 3/8 38.50 41.00 9.50
1/2 13 20 7/8 1/2 41.00 41.00 9.50
9/16 12 18 7/8 1/2 51.75 51.75 9.50
5/8 11 18 7/8 1/2 57.75 57.75 9.50
3/4 10 16 1.0 5/8 61.25 61.25 10.50
**Prices may change without notice.

 

 

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2015