Unified Miniature Screw Rings

Thread Check Inc. supplies a full range of Unified Miniature Screw Thread Ring Gages per the American Standard B1.10M 2004 and the equivalent ISO Recommendation. This thread designation is also referred to as the UNM Series. Threads in this series are interchangeable with the American, British, Canadian and ISO standardization programs. Unified Miniature Screw threads are intended for use in watches, instruments, and miniature mechanisms. The series covers a diameter range from .30mm to 1.40mm ( .0118" ‐ .0551" ) and supplements the Unified and American thread series. Thread Check’s expert sales engineers can assist you with selecting the correct gages and cutting tools for your UNM thread applications.

SKU Description Pitch Members/Handle Pitch Diameter Each
0.30-TRG-UNM-GO 0.30 UNM Go Thread Ring Gage 0.080 Go 0.248mm
$460.00
0.30-TRG-UNM-NGO 0.30 UNM No Go Thread Ring Gage 0.080 No Go 0.234mm
$460.00
0.30-TRG-UNM-SET 0.30 UNM Go/No Go Thread Ring Gage Set 0.080 Set 0.248mm - 0.234mm
$920.00
0.35-TRG-UNM-GO 0.35 UNM Go Thread Ring Gage 0.090 Go 0.292mm
$460.00
0.35-TRG-UNM-NGO 0.35 UNM No Go Thread Ring Gage 0.090 No Go 0.277mm
$460.00
0.35-TRG-UNM-SET 0.35 UNM Go/No Go Thread Ring Gage Set 0.090 Set 0.292mm - 0.277mm
$920.00
0.40-TRG-UNM-GO 0.40 UNM Go Thread Ring Gage 0.100 Go 0.335mm
$460.00
0.40-TRG-UNM-NGO 0.40 UNM No Go Thread Ring Gage 0.100 No Go 0.319mm
$460.00
0.40-TRG-UNM-SET 0.40 UNM Go/No Go Thread Ring Gage Set 0.100 Set 0.335mm - 0.319mm
$920.00
0.45-TRG-UNM-GO 0.45 UNM Go Thread Ring Gage 0.100 Go 0.385mm
$460.00
0.45-TRG-UNM-NGO 0.45 UNM No Go Thread Ring Gage 0.100 No Go 0.369mm
$460.00
0.45-TRG-UNM-SET 0.45 UNM Go/No Go Thread Ring Gage Set 0.100 Set 0.385mm - 0.369mm
$920.00
0.50-TRG-UNM-GO 0.50 UNM Go Thread Ring Gage 0.125 Go 0.419mm
$460.00
0.50-TRG-UNM-NGO 0.50 UNM No Go Thread Ring Gage 0.125 No Go 0.401mm
$460.00
0.50-TRG-UNM-SET 0.50 UNM Go/No Go Thread Ring Gage Set 0.125 Set 0.419mm - 0.401mm
$920.00
0.55-TRG-UNM-GO 0.55 UNM Go Thread Ring Gage 0.125 Go 0.469mm
$460.00
0.55-TRG-UNM-NGO 0.55 UNM No Go Thread Ring Gage 0.125 No Go 0.451mm
$460.00
0.55-TRG-UNM-SET 0.55 UNM Go/No Go Thread Ring Gage Set 0.125 Set 0.469mm - 0.451mm
$920.00
0.60-TRG-UNM-GO 0.60 UNM Go Thread Ring Gage 0.150 Go 0.503mm
$460.00
0.60-TRG-UNM-NGO 0.60 UNM No Go Thread Ring Gage 0.150 No Go 0.483mm
$460.00
0.60-TRG-UNM-SET 0.60 UNM Go/No Go Thread Ring Gage Set 0.150 Set 0.503mm - 0.483mm
$920.00
0.70-TRG-UNM-GO 0.70 UNM Go Thread Ring Gage 0.175 Go 0.586mm
$460.00
0.70-TRG-UNM-NGO 0.70 UNM No Go Thread Ring Gage 0.175 No Go 0.564mm
$460.00
0.70-TRG-UNM-SET 0.70 UNM Go/No Go Thread Ring Gage Set 0.175 Set 0.586mm - 0.564mm
$920.00
0.80-TRG-UNM-GO 0.80 UNM Go Thread Ring Gage 0.200 Go 0.670mm
$460.00
0.80-TRG-UNM-NGO 0.80 UNM No Go Thread Ring Gage 0.200 No Go 0.646mm
$460.00
0.80-TRG-UNM-SET 0.80 UNM Go/No Go Thread Ring Gage Set 0.200 Set 0.670mm - 0.646mm
$920.00
0.90-TRG-UNM-GO 0.90 UNM Go Thread Ring Gage 0.225 Go 0.754mm
$460.00
0.90-TRG-UNM-NGO 0.90 UNM No Go Thread Ring Gage 0.225 No Go 0.728mm
$460.00
0.90-TRG-UNM-SET 0.90 UNM Go/No Go Thread Ring Gage Set 0.225 Set 0.754mm - 0.728mm
$920.00
1.00-TRG-UNM-GO 1.00 UNM Go Thread Ring Gage 0.250 Go 0.838mm
$460.00
1.00-TRG-UNM-NGO 1.00 UNM No Go Thread Ring Gage 0.250 No Go 0.810mm
$460.00
1.00-TRG-UNM-SET 1.00 UNM Go/No Go Thread Ring Gage Set 0.250 Set 0.838mm - 0.810mm
$920.00
1.10-TRG-UNM-GO 1.10 UNM Go Thread Ring Gage 0.250 Go 0.938mm
$460.00
1.10-TRG-UNM-NGO 1.10 UNM No Go Thread Ring Gage 0.250 No Go 0.910mm
$460.00
1.10-TRG-UNM-SET 1.10 UNM Go/No Go Thread Ring Gage Set 0.250 Set 0.938mm - 0.910mm
$920.00
1.20-TRG-UNM-GO 1.20 UNM Go Thread Ring Gage 0.250 Go 1.038mm
$460.00
1.20-TRG-UNM-NGO 1.20 UNM No Go Thread Ring Gage 0.250 No Go 1.010mm
$460.00
1.20-TRG-UNM-SET 1.20 UNM Go/No Go Thread Ring Gage Set 0.250 Set 1.038mm - 1.010mm
$920.00
1.40-TRG-UNM-GO 1.40 UNM Go Thread Ring Gage 0.300 Go 1.205mm
$460.00
1.40-TRG-UNM-NGO 1.40 UNM No Go Thread Ring Gage 0.300 No Go 1.173mm
$460.00
1.40-TRG-UNM-DE 1.40 UNM Go Thread Ring Gage Set 0.300 Set 1.205mm - 1.173mm
$920.00
Set Descending Direction
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