Insize Thread GO Ring Gauge 1/2"-20 UNF Series 4121-1A2

  • INSIZE

Description

Insize Thread Ring Gauge

The Insize 4121-1A2 Thread Ring Gauge is a precision tolerance inspection tool designed for verifying external metric threads. A go/no-go gauge refers to an inspection tool used to check a workpiece against its allowed tolerances via a go/no-go test. Its name is derived from two tests: the workpiece must pass one test (GO) and fail the other (NO-GO).

Specifications :

  • Part No: 4121-1A2
  • Size: 1/2"-20 UNF
  • GO
  • Class 2A
  • Standard ANSI B1.2

Well designed, durable, high-precision tools that are suitable for various measuring ranges. The INSIZE thread ring gauge is the perfect instrument for determining the diameter of a wide range of components. Easy-to-use tools for measuring.

Insize Thread GO Ring Gauge 1/2"-20 UNF Series 4121-1A2

  • INSIZE
Product form

$136.00

SKU: 4121-1A2
Barcode: 6928640359293

In stock

    Description

    Insize Thread Ring Gauge

    The Insize 4121-1A2 Thread Ring Gauge is a precision tolerance inspection tool designed for verifying external metric threads. A go/no-go gauge refers to an inspection tool used to check a workpiece against its allowed tolerances via a go/no-go test. Its name is derived from two tests: the workpiece must pass one test (GO) and fail the other (NO-GO).

    Specifications :

    • Part No: 4121-1A2
    • Size: 1/2"-20 UNF
    • GO
    • Class 2A
    • Standard ANSI B1.2

    Well designed, durable, high-precision tools that are suitable for various measuring ranges. The INSIZE thread ring gauge is the perfect instrument for determining the diameter of a wide range of components. Easy-to-use tools for measuring.

    © 2026 INSIZE Australia

      • American Express
      • Apple Pay
      • Bancontact
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Union Pay
      • Visa

      Login

      Forgot your password?

      Don't have an account yet?
      Create account