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Dyer 20-40mm Direct Reading O-Ring/Groove Gage
For Recessed Bores & Undercuts.
Easy to use; the gage arms retract to enter the smaller bore, then open to reach bottom of a blind bore.
Direct reading.
Fast, accurate, repeatable measurements.
Large, easy-to-read graduations, gage uses a 2-pointer system.
Maximum Measuring Accuracy
Unit of Measure

Technical Specs

Brands

 N/A DyerGage

Range

 N/A 20 to 40 mm

Graduation

 N/A 0.010 mm

Repeatability

 N/A ≤ 0.0005 in0.010 mm

Linear Accuracy

 N/A 0.100 in

Maximum Groove Depth A

 N/A 5 mm

Contact Angle

 N/A 45 º

Contact Tip Radius

 N/A SR 0.2 mm

Travel

 N/A ± 0.0005 in0.010 mm

Full Range

 N/A ± 0.001 in± 0.020 mm

Dimension Reach of Arms

 N/A 85 mm