- Conventional Spiralock® threads:
Conventional Spiralock® threads are defined as those of 32 threads per inch and coarser in English sizes and 0.80 mm lead and coarser in metric sizes. These threads utilize a three (3) member gaging system. It consists of one (1) GO Pitch Diameter & Ramp Gage, one (1) NOT-GO Pitch Diameter Gage, and one (1) NOT-GO Ramp Gage. In the catalog, these gages are defined as GO PLUG, HI-LIMIT P.D., and HI-LIMIT RAMP, respectively (See Section 13.3).
- Sawtooth Spiralock® Threads:
Spiralock® sawtooth threads are defined as those finer than 32 threads per inch in English sizes and finer than 0.80 mm lead in metric sizes. These threads utilize a two (2) member gaging system. It consists of one (1) GO Pitch Diameter & Ramp Gage and one (1) NOT-GO Ramp Gage. In the catalog these gages are defined as GO PLUG and HILIMIT respectively (See Section 13.4).
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The availability of the products described on this site, and the product descriptions, may vary from country to country. Consult your STANLEY® Engineered Fastening Account Executive or your local distributor for specific product information.