Engineered for At-Machine Thread Inspection
SPC Compatible Digital Indicators
Functional Size Verification
At-Machine Inspection Capability
Universal Punch thread gaging systems are designed for use directly in production environments to verify functional thread size, geometry, and form in real time.
ISO / ASME Thread Standards
N.I.S.T. Traceability
Operator-Independent Measurement
Each system supports electronic indicators with SPC output capability, allowing operators to collect inspection data without interpretation or subjective measurement methods.
All gaging masters and probe elements are calibrated to specified tolerances and are directly traceable to N.I.S.T.
Key Technical Benefits
Certified NAS-compliant head height inspection
Interchangeable inch and metric gaging bushings
Height-over-ball measurement methodology
Aerospace fastener compatibility
Hard chrome plated structural components
SPC capable with digital indicator integration
Aerospace Fastener Head Height Inspection
Designed for inspection of aerospace and NAS-standard fasteners where accurate protrusion height is critical for assembly integrity and load performance.
NAS aerospace fastener inspection
Head height verification
Specialty fastener measurement
Certified ANSI / ISO compliant inspection
SPC-capable inspection systems
Typical Applications
Aerospace Fastener Head Inspection
Medical Device Fasteners
Structural Bolting Systems
Clamp Load Verification
Assembly Height Inspection
Incoming QC & Final Inspection
Production Floor Inspection
System Performance & Durability
The 9455 NAS Protrusion Height Gage System is engineered for repeatable inspection of aerospace fastener head heights across multiple fastener types. The thermally stabilized high-speed steel gaging bushings ensure consistent measurement accuracy throughout production cycles. This system supports inspection workflows requiring reliable dimensional verification for compliance with National Aerospace Standards.
Available Components
9455-00
9455-06
9455-10
543-552
331-028
NAS Protrusion Height Gage
Insert Gage Plate (Six Place)
Interchangeable Insert w/Bushing (Specify Hole Size)
Digimatic Indicator .0001" / 0.002mm w/SPC
NAS526 Indicator Stylus Sizes 1, 2, 3 & 4
Accessories & SPC Compatibility
System may be configured with digital indicators and SPC output accessories for integration into automated inspection and aerospace quality control programs.
Compliance & Standards
Quality & Certification Compatibility
Universal Punch gaging systems are designed to support modern quality assurance environments including aerospace, medical, and automotive fastener manufacturing.
All measurement equipment and gaging masters are engineered for compliance with ANSI / ASME, ISO, and NAS standards, providing verified NIST Traceability and compatibility with SPC-Compatible Measurement Systems. All instruments may be supplied with complete certification documentation to confirm adherence to specified tolerances. Calibration and certification processes conform strictly to ISO/IEC Guide 17025 where applicable.
Measuring standard fastener head geometry? Explore the 9450 Protrusion Height Gage →