Starrett SCREW GAGES STR 284
The Starrett 284 Acme Standard Screw Thread Gage is a standard for grinding and setting tools when cutting Acme threads, which have the same depth as square threads but the sides of the threads are at an inclination of 14-1/2 Deg (29 Deg included angle). This form of thread is used extensively and has in many instances replaced the square thread in machine construction. The advantages of the Acme thread is its strength and the ease by which it can be cut compared with square threads.
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BrandStarrett®
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UPC049659513196
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Manufacturer Part Number284
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CountryUSA|Canada
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FinishBlack Penetrate
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MaterialSteel
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Measuring Range1 to 10 TPI
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TypeAcme Standard
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Series284
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Dimensions3-3/8 in L x 1-5/8 in W
- In use, the angle on the thread cutting tool is checked on the large precision-ground V at the end of the gage
- In use in, the angle on the thread cutting tool is checked on the large precision ground V at the end of the gage
| Competitor Name | Cross-Reference Number |
|---|---|
| MSC | 86412632 |
| Grainger | 30C050 |
| Fastenal | 3124027 |
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Alternative Part Number51319
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UNSPSC41111607
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Package DescriptionEACH
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Full Engineering Drawing
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The Starrett 284 Acme Standard Screw Thread Gage is a standard for grinding and setting tools when cutting Acme threads, which have the same depth as square threads but the sides of the threads are at an inclination of 14-1/2 Deg (29 Deg included angle). This form of thread is used extensively and has in many instances replaced the square thread in machine construction. The advantages of the Acme thread is its strength and the ease by which it can be cut compared with square threads.
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