Description
The Insize 4633-1B2 Imperial Thread Ring Gauge (GO) is designed for accurate inspection of external Unified threads, ensuring they meet ANSI B1.2 standards. This GO gauge verifies the maximum material condition of the thread, allowing quick confirmation that the thread will assemble correctly within tolerance.
Manufactured from high-quality alloy tool steel (OHNS) and hardened for durability, this gauge delivers excellent wear resistance and dimensional stability. Its precision-ground surface ensures consistent and repeatable measurement results in demanding workshop and production environments.
Key Features & Benefits
- GO gauge for checking maximum material condition of external threads
- Designed for imperial thread inspection (UNC)
- Manufactured to ANSI B1.2 standard
- Class 2A tolerance for external threads
- Made from alloy tool steel (OHNS) for durability
- Hardened for high wear resistance and long service life
- Non-shrinking steel ensures dimensional stability
- Precision ground for accurate and repeatable measurements
- Supplied with manufacturer inspection certificate
Technical Specifications
- Part Number: 4633-1B2
- Product Type: Thread Ring Gauge (GO)
- Thread Size: 1/4-20 UNC
- Thread Class: 2A
- Standard: ANSI B1.2
- Material: Alloy Tool Steel (OHNS)
- Hardness: HRC60–62
Insize is a globally trusted manufacturer of precision measuring instruments, delivering reliable and high-quality inspection tools used across engineering, machining, and industrial applications worldwide.
