Insize 3222 Tubular Inside Micrometers
The Insize 3222 Tubular Inside Micrometer series is built for measuring large internal diameters across an exceptionally wide range, using a .5" travel micrometer head paired with a set of extension rods. As you move up through the series, from the 2"-6" model to the 2"-60" model, additional extension rods are supplied to reach the larger end of the range, letting one tool cover diameters that would otherwise require several separate micrometers. Each unit features carbide measuring faces for long-lasting durability and comes supplied with setting standards, making it a dependable choice for mechanical engineering, manufacturing, and quality control work where large-bore internal measurement is a regular part of the job. Common applications include checking tubes, cylindrical parts, and other hollow components across automotive, aerospace, and general industrial settings.
Key Features
- .5" travel micrometer head paired with extension rods to reach across a wide diameter range
- Carbide measuring faces for long-lasting durability and consistent accuracy
- Supplied with setting standards for accurate calibration
- Available in ranges from 2"-2.5" up to 2"-60" to fit a wide variety of bore sizes
- Clear graduations and markings designed to minimize reading errors
- Furnished in a fitted storage case to keep rods and standards organized
Specifications
| Specification |
Detail |
| Measurement Ranges Available |
2"-2.5", 2"-4", 2"-6", 2"-12", 2"-20", 2"-24", 2"-40", 2"-60" (50-300mm metric models also available) |
| Graduation |
.001" |
| Accuracy |
[.00005(3+n+L/2)]", where n = number of extension rods, L = maximum measuring length (inch) |
| Micrometer Head Travel |
.5" |
| Extension Rods Included |
Varies by range, from 0 rods (2"-2.5") up to 6+ rods (2"-24" and larger) |
| Measuring Face Material |
Carbide |
| Setting Standard |
Included |
Items Included
- Insize 3222 tubular inside micrometer head in the selected range
- Extension rods (quantity varies by range)
- Setting standards
- Fitted storage case
- Instruction manual
Insize 3222 Tubular Inside Micrometers Data Sheet
