Hubless Spur Gears are made to ISO Class 7 specs.

Press Release Summary:

Available in both 303 stainless steel and 2024 anodized aluminum, 0.5 Series S12N05M Hubless Spur Gears have bore diameter of 10 mm and are stocked in 3 and 5 mm face widths. Featuring 20° pressure angle, metric units range from 16-97 mm in diameter and include 30-192 teeth.

Original Press Release:

New Series of Precision Module 0.5 Hubless Spur Gears from Sterling Instrument are Made to ISO Class 7 Specs & Stocked in Both Stainless and Aluminum

New Hyde Park, New York -A new series of 120 precision Module 0.5 hubless spur gears manufactured by Sterling Instrument (an ISO 9001 manufacturer) are produced to ISO Class 7 specs and are stocked in both 303 stainless steel and 2024 anodized aluminum. These 20° pressure angle metric gears are identified as the S12N05M Series.

They are stocked in 3 and 5 mm face widths and have a bore diameter of 10 mm. They are stocked in a wide range of sizes ranging from 16 to 97 mm in diameter and from 30 through 192 teeth.

Detailed specifications are contained in Catalog D785 available free upon request from Sterling Instrument. This bulletin can be viewed now on the Web at: or via mail request at: 2101 Jericho Turnpike, P.O. Box 5416, New Hyde Park, NY 11042-5416. Phone: 51(5-328-3300 Fax: 516-326-8827.

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