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Starrett Screw Thread Gage System Components Available

Starrett Screw Thread Gage System Components Available

Starrett has in the past sold two different screw thread measurement systems.

Starrett 1120 Screw Thread Measurement System
The Starrett 1120 screw thread measurement system was discontinued by Starrett in 1991. Starrett has also stopped supporting this screw thread measurement system as of 1998. Gage Crib Worldwide Inc stopped supporting the Starrett 1120 screw thread measurement system in 2008. Starrett replace the 1120 screw thread measurement system with the 1130 screw thread measurement system.

Replacement for the Starrett 1120 Screw Thread Measurement System
The replacements for the Starrett 1120 Screw Thread Measurement System were eight model numbers including: 1130; 1131; 1135; 1136; 1137; 1138; 1140; and 1141. All of these models have been discontinued by Starrett as of October of 2008. If you own one of these Starrett Screw Thread Measurement Systems, or have purchased a used Starrett Screw Thread Measurement System, you may need support for them, or additional parts and pieces to make them more functional for your production needs. Starrett has sold the manufacturing rights to Allen Engineering so purchase of new gage systems of the same design are available through Gage Crib Worldwide Inc. We also have a nice selection of Used/Surplus Johnson Gage Components which in many cases are fully interchangeable on the newer Starrett systems.

Starrett 1130 and 1131
The Starrett 1130 and Starrett 1131 Tri-Roll Indicating-Type External Screw Thread Gage Systems are almost identical. The Starrett 1130 is a bench model and the Starrett 1131 is a hand-held model. The frames come in four sizes variants designated by dash-numbers after the model number. The sizes range is from #2 (0.086) to 3”.
The Starrett 1130 and Starrett 1131 Tri-Roll Frames are very similar to the Johnson Gage ‘C’ Tri-Roll Frames in the same size range. The Setting Templates and the Gage Rolls are interchangeable between the two screw thread measurement systems.

Starrett 1135 and 1136
The Starrett 1135 and Starrett 1136 Segment-style Indicating-Type External Screw Thread Gage Systems are almost identical. The Starrett 1135 is a bench model and the Starrett 1136 is a hand-held model. The frames come in four size variants designated by dash-numbers after the model number. The sizes range is from #8 (0.164) to 3”.
The Starrett 1135 and Starrett 1136 Segment-style Frames are very similar to the Johnson Gage ‘B’ Segment-style Frames in the same size range. The two systems are not 100% interchangeable. The Starrett 1135 and Starrett 1136 do not require Cradle Setting Templates where the Johnson Gage B-series Segment-style Frames do require Setting Templates. The Starrett 1135 and Starrett 1136 Gage Segments will/may not work on the Johnson Gage B-Series Segment-style Frames, but the Johnson Gage Segments will work on the Starrett 1135 and Starrett 1136 Frames.

Starrett 1137 and 1138
The Starrett 1137 and Starrett 1138 Tri-Roll Indicating-Type External Screw Thread Gage Systems are almost identical. The Starrett 1137 is a bench model and the Starrett 1138 is a hand-held model. The size range for the Starrett 1137 and 1138 frames starts at 3” with no maximum size specified. The gage rolls used with these frames are not interchangeable with the smaller sized frames. We are not going to claim any interchangeability to Johnson Gage with these frames.

Starrett 1140
The Starrett 1140 Segment-style Indicating-type Internal Screw Thread Gage System has a size range of #10 (0.190”) to 3”. The Starrett 1140 Frame and the Johnson Gage GJ-5 can share Thread Segments, but there may be a fit issue with the cone. If you are having issues with the cones, we will work with you to resolve those issues.

Starrett 1140A
The Starrett 1140A Tri-Roll Indicating-type Internal Screw Thread Gage System has a size range beginning at 3” with no maximum size specified. We are not going to claim any interchangeability to Johnson Gage GH-5 Frame with the Starrett 1140A Frames. If you are looking to work with either the Starrett 1140A or the Johnson Gage GH-5 we may be able to facilitate an economical solution.

Starrett 1141
The Starrett 1141 Segment-style Indicating-type Internal Screw Thread Gage System with Concentricity/Squareness Ring has a size range of #10 (0.190”) to 3”. The Starrett 1141 Frame and the Johnson Gage GJ-6 can share Thread Segments, but there may be a fit issue with the cone. If you are having issues with the cones, we will work with you to resolve those issues.

The good news is that if you need additional screw thread comparator components or screw thread comparator technical support, Gage Crib Worldwide Inc can be of assistance to you. We are working with several companies to provide you the continued screw thread comparator product support you need. The screw thread comparator items we will offer you may be new or used/surplus Johnson Gage brand, surplus Starrett brand, or new made components, rolls and segments.
These are parts and pieces of the Johnson Gage product line. This is a mix and match system where you select specific components to assemble a screw thread gauge measurement system to fit your specific needs. It will be helpful if you are an experienced user of the Johnson gage brand of screw thread measurement systems before you purchase these surplus gauges.

We can be contacted by:
1. Contact Form. Click the tab just below the phone number. This option is best for new customers because it gives you a forum to submit your contact data and an easy way for us to get you input into our computer files.
2. Telephone. The phone number is located in the upper right hand corner of this page. This option is good if you have one or a few standard thread gages that you require.
3. E-mail. The e-mail address is located at the very bottom of this page. This may be your preferred option. E-mail allows you to send a PDF copy of your thread requirements, or a spread sheet of longer lists of gages.
4. Fax. Our fax number is given at the bottom of this page. Fax is the old standby good way to send your quote request. We are happy to continue to use this mode of communication if it suits your needs best.

Disclaimer
This data is provided with the intention to provide accurate information; regardless; errors may exist in the supplied information. If accuracy is critical, base your final decisions on data provided by the equipment manufacturer.

Comments:
Original Posting: 2/21/2011
Last Revision: 4/5/2013
Error corrections in, or comments about, the above data can be sent to: gageguy@gagecrib.com

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Gage Crib Worldwide, Inc.
6701 Old 28th St SE, Suite B
Grand Rapids, MI 49546-6937
Phone: 001-616-954-6581 • Fax: 001-616-954-6583
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