Why Osborn Products?


  • ISO 9001:2015 Certified
  • AS9100 Rev D Certified
  • Aerospace Quality Gages
  • Precision CNC Machining & Grinding
  • Made in USA
  • Established in 1956

Hex Plug Gages


Osborn Products, Inc. supplies a complete range of Hex Plug Gages per ANSI B18.3 and ANSI/ASME B107.17M. Hex plug gages per ASME B107.17M are used to inspect wrench opening and spark plug wrench opening for inch and metric sizes. Hex plug gages sizes range in inches covers 1/8 to 3.0” and 2.0mm to 75mm in metric. The standard covers hex plug gage designs and square gage designs. Hex plug Gages per ASME B18.3 covers dimensional data for various types of hexagon and spline socket cap screws, shoulder screws, set screws, and hexagon and spline keys recognized as the American Standard. Thread Check supplies ASME B18.3 hex plug gages in fractional sizes from .028” to 1.00” and metric sizes from .70mm to 24.00mm. Hex plug gages are manufactured from oil hardened tool steel with a minimum HRC of 60 HRC. Osborn Products, Inc. can also build custom hex plug gages per customer specifications.

Custom Hex Plug Gage - ANSI B18.3 (Inches)

Thread Check supplies a complete range of Hex plug Gages per ASME B18.3. The standard covers dimensional data for various types of hexagon and spline socket cap screws, shoulder screws, set screws, and hexagon and spline keys recognized as the American Standard. Thread Check supplies ASME B18.3 Plug.

Custom Hex Plug Gage - ANSI B18.3 (Metric)

Thread Check supplies a complete range of Hex plug Gages per ASME B18.3. The standard covers dimensional data for various types of hexagon and spline socket cap screws, shoulder screws, set screws, and hexagon and spline keys recognized as the American Standard. Thread Check supplies ASME B18.3 Plug.

Custom Hex Plug Gage - ANSI B107.17M (Inches)

Thread Check Inc. supplies a complete range of Hex Plug Gages per ANSI/ASME B107.17M. Hex plug gages per ASME B107.17M are used to inspect wrench opening and spark plug wrench opening for inch and metric sizes. The size range in inches covers 1/8 to 3.0" and 2.0mm to 75mm in metric. The standard covers.

Custom Hex Plug Gage - ANSI B107.17M (Metric)

Thread Check Inc. supplies a complete range of Hex Plug Gages per ANSI/ASME B107.17M. Hex plug gages per ASME B107.17M are used to inspect wrench opening and spark plug wrench opening for inch and metric sizes. The size range in inches covers 1/8 to 3.0" and 2.0mm to 75mm in metric. The standard covers.