3B Thread Gages

January 12, 2023
3B Thread Gages Made to Class X Tolerances

OSG is pleased to announce the expansion of its 3B Thread Gages! Inch plug thread gages are used to inspect pitch diameter and pitch accuracy of internal threads. OSG inch plug gages are manufactured to Class X tolerances per ANSI B1.2. Go and No-Go gages from OSG are ground from premium HSS and hardened to 64Rc to ensure superior wear resistance. Gages are available with short form certifications.

The following list numbers are associated with the NEW 3B Thread Gages:

  •        NEW! List #15003   3B Thread Gages

The 3B Thread Gages have the following features:

  • High hardness TiN coating to provide long tool life.
  • Gold coloring to visually analyze the wear condition in seconds.

Related Glossary Terms

  • hardness

    hardness

    Hardness is a measure of the resistance of a material to surface indentation or abrasion. There is no absolute scale for hardness. In order to express hardness quantitatively, each type of test has its own scale, which defines hardness. Indentation hardness obtained through static methods is measured by Brinell, Rockwell, Vickers and Knoop tests. Hardness without indentation is measured by a dynamic method, known as the Scleroscope test.

  • high-speed steels ( HSS)

    high-speed steels ( HSS)

    Available in two major types: tungsten high-speed steels (designated by letter T having tungsten as the principal alloying element) and molybdenum high-speed steels (designated by letter M having molybdenum as the principal alloying element). The type T high-speed steels containing cobalt have higher wear resistance and greater red (hot) hardness, withstanding cutting temperature up to 1,100º F (590º C). The type T steels are used to fabricate metalcutting tools (milling cutters, drills, reamers and taps), woodworking tools, various types of punches and dies, ball and roller bearings. The type M steels are used for cutting tools and various types of dies.

  • pitch

    pitch

    1. On a saw blade, the number of teeth per inch. 2. In threading, the number of threads per inch.

  • titanium nitride ( TiN)

    titanium nitride ( TiN)

    Added to titanium-carbide tooling to permit machining of hard metals at high speeds. Also used as a tool coating. See coated tools.

  • wear resistance

    wear resistance

    Ability of the tool to withstand stresses that cause it to wear during cutting; an attribute linked to alloy composition, base material, thermal conditions, type of tooling and operation and other variables.

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