Description
The Insize 4131-2A1 American Standard Thread Plug Gauge is a precision GO and NOGO gauge set designed for inspecting internal Unified National Coarse (UNC) threads to ANSI/ASME B1.2 standards. Ideal for machining, manufacturing, and quality control applications, this thread plug gauge ensures threaded holes comply with Class 2B tolerance requirements for accurate and reliable thread verification.
Manufactured from hardened precision tool steel for excellent wear resistance and long service life, the Insize 4131-2A1 provides dependable inspection performance in industrial and workshop environments. The gauge is supplied with both GO and NOGO ends together and includes a manufacturer inspection certificate for traceable quality assurance.
Key Features & Benefits
- Precision American standard thread plug gauge
- Supplied with GO and NOGO gauges together
- Suitable for internal thread inspection
- Designed for Unified National Coarse (UNC) threads
- Class 2B thread tolerance verification
- Manufactured to ANSI/ASME B1.2 standard
- Hardened precision ground construction
- Excellent wear resistance and dimensional stability
- Supplied with manufacturer inspection certificate
- Ideal for workshop and industrial quality control
Technical Specifications
- Part Number: 4131-2A1
- Product Type: American Standard Thread Plug Gauge
- Gauge Type: GO/NOGO
- Thread Size: 1-8 UNC
- Thread Standard: Unified National Coarse (UNC)
- Thread Class: 2B
- Standard: ANSI/ASME B1.2
- Application: Internal thread inspection
- Inspection Certificate: Included
Applications
- Internal thread inspection and verification
- Precision machining quality control
- UNC thread checking applications
- Manufacturing and engineering inspection
- Threaded hole tolerance verification
- Workshop and industrial metrology
- Production line inspection processes
Insize precision thread gauges are trusted worldwide for their reliable accuracy, durability, and consistent inspection performance across industrial and engineering applications.
The Insize 4131-2A1 American Standard Thread Plug Gauge delivers accurate GO and NOGO inspection for 1-8 UNC Class 2B internal threads in demanding industrial environments.
