Dyer 3.2″ – 4.0″ Direct Reading O-Ring/Groove Gage – 103-309

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
• Linear Accuracy at 0.100″
• Travel 0.0005″ (0.010 mm)
• Full Range 0.001″ ( 0.020 mm)
• Repeatability 0.0005″ (0.010 mm)
• Contact Tip Radius: SR 0.01″
• Graduation: 0.0005″
• Dimension Reach of Arms: 3.15″
• Dimension A: Max.Depth Groove: 0.20″
• Contact Angle: 45

For More Dyer Direct Reading O-Ring/Groove Gages – Series 103Click Here