Bore Gauge Sets for Precision Internal Measurement

Explore a range of bore gauge sets designed for accurate internal diameter measurement in machining, fabrication, and quality inspection. These bore gauge sets include interchangeable anvils and high‑precision gauges that help you measure a wide range of bores with excellent repeatability and resolution. Built for durability and reliable performance, they are ideal for professional workshops, industrial environments, and engineering applications where precise measurement of cylinder and hole diameters is essential. Whether checking finished parts or setting up machinery, these bore gauge sets provide dependable results that improve accuracy and workflow efficiency.

We stock over 1,200 different INSIZE Measuring Instruments to ensure we have a tool for every job.
These tools are accurate,  durable, and they come with a 1 year warranty and Certificate of Registration across the range!