Description
The Insize 4121-7D2N American Standard Thread Ring Gauge is a precision NOGO gauge designed for inspecting external Unified Fine (UNF) threads to ANSI/ASME B1.2 standards. Suitable for machining, manufacturing, and quality assurance applications, this gauge verifies that threaded components comply with Class 2A tolerance requirements for accurate and dependable thread inspection.
Manufactured from hardened precision tool steel for excellent wear resistance and dimensional stability, the Insize 4121-7D2N delivers reliable inspection performance in workshop and industrial 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 verification
- 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 workshop and industrial quality control
- Provides accurate thread tolerance inspection
Technical Specifications
- Part Number: 4121-7D2N
- Product Type: American Standard Thread Ring Gauge
- Gauge Type: NOGO
- Thread Size: 7/16-20 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 accuracy, durability, and reliable inspection performance across industrial and engineering applications.
The Insize 4121-7D2N American Standard Thread Ring Gauge provides dependable NOGO inspection for 7/16-20 UNF Class 2A external threads in demanding industrial environments.
