Plain Plug Gauges are designed to verify the internal diameter of holes, bores, and cylindrical recesses in machined components.

Key Features:

• GO and NO-GO members ensure tolerance verification

• Hardened and stabilized steel for long wear life

• Precision ground and hand-lapped finish

• Conforms to ISO, BS, and ANSI standards

• Available as taper, parallel, or stepped plug gauges

Technical Details:

• Hardness: 58–60 HRC

• Diameter range: 0.5 mm to 300 mm

• Calibrated with master setting rings

• Optional handles for easy usage

Applications:

• Automotive and aerospace parts

• Hydraulic and pneumatic valve bodies

• Tool and die manufacturing

Benefits:Delivers accurate hole sizing, improves component interchangeability, and ensures long-term dimensional stability.