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The Insize 3221-40 Tubular Inside Micrometer is a precision measuring instrument designed for accurate internal diameter measurements in machining, inspection, and quality control applications. Its tubular design provides rigidity and stability while allowing reliable measurements inside bores, cylinders, and recessed features. Built to Insize quality standards, this micrometer delivers consistent, repeatable results in both shop-floor and inspection-room environments.
| Product type | Tubular inside micrometer |
| Model | 3221-40 |
| Measurement type | Internal diameter |
| Construction | Tubular design |
| Application | Bores and internal measurements |
Shipping is FREE on all orders under 70 pounds shipped to the continental USA.
Freight shipping will be charged on larger, heavier items.
Shipping is FREE on all orders under 70 pounds shipped to the continental USA.
Freight shipping will be charged on larger, heavier items.
Price Match Guarantee.
Best prices online guaranteed.
30 Day Easy Returns.
Se Habla Español - Falamos Português
We will beat ANY price found online! Reach out to us for more information by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com.
Free 30 day returns! We pride ourselves in helping you with your needs Please reach out by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com to start your return.
Enjoy flexible payment options with Affirm. Split your purchase into easy, interest-free installments or choose a financing plan that fits your budget — all available directly at checkout.
The Insize 3221-40 Tubular Inside Micrometer is a precision measuring instrument designed for accurate internal diameter measurements in machining, inspection, and quality control applications. Its tubular design provides rigidity and stability while allowing reliable measurements inside bores, cylinders, and recessed features. Built to Insize quality standards, this micrometer delivers consistent, repeatable results in both shop-floor and inspection-room environments.
| Product type | Tubular inside micrometer |
| Model | 3221-40 |
| Measurement type | Internal diameter |
| Construction | Tubular design |
| Application | Bores and internal measurements |
Shipping is FREE on all orders under 70 pounds shipped to the continental USA.
Freight shipping will be charged on larger, heavier items.
Shipping is FREE on all orders under 70 pounds shipped to the continental USA.
Freight shipping will be charged on larger, heavier items.
Price Match Guarantee.
Best prices online guaranteed.
30 Day Easy Returns.
Se Habla Español - Falamos Português
We will beat ANY price found online! Reach out to us for more information by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com.
Free 30 day returns! We pride ourselves in helping you with your needs Please reach out by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com to start your return.
Enjoy flexible payment options with Affirm. Split your purchase into easy, interest-free installments or choose a financing plan that fits your budget — all available directly at checkout.
Insize 3221-40 Tubular Inside Micrometer Data Sheet