Fixed Limit External Thread Gages

Thread Ring Gages and Setting Plugs

Greenslade supplies a full line on inch and metric fixed limit, adjustable ring gages and the associated setting plugs.

Standard Inch Gages:

Standard Inch gages are available in classes 2A and 3A in sizes from #0-80 through 2 ½-12. Inch gages are manufactured according to the requirements of ASME B1.2.

Standard Metric Gages:

Standard metric gages are available in classes 6g and 6h in sizes from M1.6 through M50. Metric gages are manufactured according to the requirements of ASME B1.16M unless otherwise specified. Metric gages can also be provided according to ISO and JIS specifications upon request.

Special Inch and Metric Gages:

Non-standard ring and setting plug gages can be supplied according to specific customer requirments In both inch and metric sizes.


All Greenslade thread gages come with ISO 17025, A2LA Accredited calibration certificates at no additional charge.>

Our company is taking all precautions during the COVID-19 coronavirus pandemic. We remain OPEN for business and stand ready to serve you, although we are limiting customer interactions to PHONE and EMAIL ONLY at this time. Please continue to contact us either at 817-870-8888 or 800-435-2657.