Description
The Insize 4121-5C2N American Standard Thread Ring Gauge is a precision NOGO gauge designed for inspecting external Unified Fine (UNF) threads to ANSI/ASME B1.2 standards. Ideal for machining, manufacturing, and quality assurance applications, this thread ring gauge ensures threaded parts comply with Class 2A tolerance requirements for accurate and reliable thread inspection.
Manufactured from hardened precision tool steel for durability and long service life, the Insize 4121-5C2N provides dependable performance in workshop and industrial inspection environments. Each gauge is supplied with a manufacturer inspection certificate for traceable quality assurance.
Key Features & Benefits
- Precision American standard thread ring gauge
- NOGO gauge for external thread inspection
- Suitable for Unified Fine (UNF) thread checking
- Designed for Class 2A external threads
- Manufactured to ANSI/ASME B1.2 standard
- Hardened precision ground construction
- Excellent wear resistance and dimensional stability
- Supplied with manufacturer inspection certificate
- Ideal for industrial and workshop quality control
- Provides accurate thread tolerance verification
Technical Specifications
- Part Number: 4121-5C2N
- Product Type: American Standard Thread Ring Gauge
- Gauge Type: NOGO
- Thread Size: 5/8-18 UNF
- Thread Standard: Unified Fine (UNF)
- Thread Class: 2A
- Standard: ANSI/ASME B1.2
- Application: External thread inspection
- Inspection Certificate: Included
Applications
- External thread inspection and verification
- Precision machining quality control
- UNF thread checking applications
- Manufacturing and engineering inspection
- Fastener and threaded component verification
- Workshop and industrial metrology
- Production line inspection processes
Insize precision thread gauges are trusted worldwide for their reliability, accuracy, and durability across demanding machining and inspection applications.
The Insize 4121-5C2N American Standard Thread Ring Gauge delivers accurate NOGO inspection for 5/8-18 UNF Class 2A external threads in professional industrial environments.