hex go no go gauge

Go/NoGo Hex Ring Gages

Inch   |   Metric

Hex ring gages are precision measurement tools used to inspect and verify the dimensions of hexagonal parts, ensuring they meet specific tolerances and standards.

Common applications for hex ring gages:

  • Quality Control: Used in manufacturing processes to ensure parts meet design specifications.
  • Assembly: Ensures that components with hexagonal parts to fit properly.
  • Calibration: Used to calibrate other measuring instruments or equipment that interact with hexagonal parts.
  • Inspection: Employed during routine inspections to verify the consistency and accuracy of hexagonal parts or assemblies.
  • Maintenance: Helps in maintaining equipment by ensuring that hexagonal parts remain within specified tolerances over time.

Newman Tools Supplies standard and custom hexagon ring gages held extremely tight tolerances with extremely fast delivery times.

Manufacturing tolerances are held within .0002 inches (.005 mm)

Standard external hexagon ring gages are made to ANSI/ASME B18.2.1 (B18.2.3.1M) for Hex Cap Screws (finished hex bolt).

Use our Go and No-Go Gages to inspect your parts for machining process variations such as form size, twist, tool wear, etc.

 

 

 

 

 
 

ENGLISH- GO GAGE SIZES

Nominal Sizes (in) GO Across Flats Part #
7/16" External Hex Go Gage .4382/.4380 GAGE-G1462-4382 
1/2" External Hex Go Gage .5002/.5000 GAGE-G1462-5002 
9/16" External Hex Go Gage .5622/.5620 GAGE-G1462-5622 
5/8" External Hex Go Gage .6252/.6250 GAGE-G1462-6252 
3/4" External Hex Go Gage .7502/.7500 GAGE-G1462-7502 
13/16" External Hex Go Gage .8122/.8120 GAGE-G1462-8122 
15/16" External Hex Go Gage .9382/.9380 GAGE-G1462-9382 

ENGLISH- NOGO GAGE SIZES

Nominal Sizes (in) NOGO Across Flats Part #
7/16" External Hex NoGo Gage .4280/.4278 GAGE-NG1462-4280 
1/2" External Hex NoGo Gage .4890/.4888 GAGE-NG1462-4890 
9/16" External Hex NoGo Gage .5510/.5508 GAGE-NG1462-5510 
5/8" External Hex NoGo Gage .6120/.6118 GAGE-NG1462-6120 
3/4" External Hex NoGo Gage .7360/.7358 GAGE-NG1462-7360 
13/16" External Hex NoGo Gage .7980/.7978 GAGE-NG1462-7980 
15/16" External Hex NoGo Gage .9220/.9218 GAGE-NG1462-9220 


 

 

 

 

 

METRIC- GO GAGE SIZES

Nominal Sizes (mm) GO Across Flats Part #
8mm External Hex Go Gage .3151/.3149 GAGE-G1462-3151 
10mm External Hex Go Gage .3939/.3937 GAGE-G1462-3939 
13mm External Hex Go Gage .5120/.5118 GAGE-G1462-5120 
16mm External Hex Go Gage .6301/.6299 GAGE-G1462-6301 
18mm External Hex Go Gage .7088/.7086 GAGE-G1462-7088 
21mm External Hex Go Gage .8269/.8267 GAGE-G1462-8269 
24mm External Hex Go Gage .9450/.9448 GAGE-G1462-9450 

METRIC- NOGO GAGE SIZES

Nominal Sizes (mm) NO-GO Across Flats Part #
8mm External Hex NoGo Gage .3062/.3060 GAGE-NG1462-3062 
10mm External Hex NoGo Gage .3850/.3848 GAGE-NG1462-3850 
13mm External Hex NoGo Gage .5011/.5009 GAGE-NG1462-5011 
16mm External Hex NoGo Gage .6192/.6190 GAGE-NG1462-6192 
18mm External Hex NoGo Gage .6980/.6978 GAGE-NG1462-6980 

21mm External Hex NoGo Gage

.8137/.8135 GAGE-NG1462-8137
24mm External Hex NoGo Gage .9318/.9316 GAGE-NG1462-9318 

 

 

 

 

Trademarks are the properties of their respective owner(s).

June 2024, November 2021, March 2014 CSS

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.


Servicing the Canadian provinces and territories of
Newfoundland, NF, NL, Nova Scotia, NS, New Brunswick, NB, Prince Edward Island, PEI, PE, Quebec, PQ, QC, Ontario, ON, Manitoba, MB, Saskatchewan, SK, Alberta, AB, British Columbia, BC, Northwest Territories, NT, Nunavut, NU, Yukon, YT

Servicing Canadian cities,
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