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 do remain OPEN for business and stand ready to serve you. We are limiting customer service interactions to PHONE and EMAIL. Although we are not promoting in person visits, we will be practicing non-contact package pick up and drop off, along with critical on-site calibration services as necessary.