Used to measure the internal diameter of bores, ensuring that holes conform to design tolerance limits.

Key Features:

• GO plug checks minimum material condition

• NO-GO plug verifies maximum material condition

• Manufactured from wear-resistant steel

• Conforms to ISO, BS, and ANSI standards

• Available as solid, stepped, and adjustable designs

Technical Details:

• Hardness: 58–62 HRC

• Diameter range: 0.5 mm to 250 mm

• Optional carbide-tipped versions for extended life

• Supplied with traceable calibration report

Applications:

• Engine cylinder bores

• Hydraulic component machining

• Aerospace and mechanical assemblies

Benefits:Delivers precision measurement, easy handling, and consistent inspection accuracy.