Pin-Gauge.com | High-Precision Measurement Gauges for Industrial Applications

Trusted Manufacturer of Precision Gauges

RTP GAUGE has been engaged in the professional manufacturing of high-precision gauges for over 20 years. Our senior technical team combines decades of experience with cutting-edge technology to deliver measurement tools you can rely on.

We are ISO 9001-2015 certified and audited by SGS, ensuring every product undergoes rigorous quality control and laboratory-level inspection before shipment. Each order includes a detailed quality inspection report.

20+ Years of Manufacturing Experience
ISO 9001:2015 & SGS Audited
Complete Pre-Shipment Inspection
Custom Solutions & Technical Support

Our Precision Gauge Products

From standard pin gauge sets to fully customized GO/NO GO plug gauges, we offer a wide range of high-accuracy measurement tools for industrial, aerospace, and CNC applications.

Tungsten Carbide Pin Gauge Set

Exceptional wear resistance and dimensional stability. Ideal for high-volume inspection environments requiring long-term accuracy.

• High hardness & corrosion resistance
• Available in Grade AA, A, B
• Tolerance: ±1μm to ±2μm

Ceramic Pin Gauge Set

Non-magnetic, non-conductive, and highly resistant to thermal expansion. Perfect for precision components in electronics and aerospace.

• Insensitive to magnetic fields
• Low thermal expansion coefficient
• Ideal for cleanroom environments

Steel Pin Gauge Set

Durable, rust-resistant, and non-magnetic. A cost-effective solution for general-purpose hole and slot measurement.

• Corrosion-resistant stainless steel
• Standard sizes from 0.5mm to 10mm
• Calibration certificates available

One-Sided GO/NO GO Plug Gauge

Fast and reliable inspection of hole diameters. Ensures parts meet tight tolerances without complex measurement tools.

• Precision-ground for accuracy
• Clearly marked GO and NO GO ends
• Custom sizes and threads available

Customized Ceramic Pin Gauge

Tailored dimensions, lengths, and specifications for unique applications. Ideal for R&D and specialized manufacturing.

• Custom diameters and lengths
• Special coatings and finishes
• Fast turnaround on prototypes

Tungsten Carbide Ring Gauge

Used for calibration and verification of external diameters. Offers superior wear resistance and long service life.

• Hardness up to 90 HRA
• Available in GO, NO GO, and MASTER types
• ISO-compliant tolerances

Ball Gauge (Hexagonal Handle)

Precision ball-end gauges with ergonomic hexagonal handles for easy handling and accurate depth or diameter checks.

• High-precision spherical tip
• Anti-roll hexagonal body
• Ideal for blind hole inspection

Toolroom Grade Pin Gauge Set

Highest accuracy grade for calibration labs and toolrooms. Used for setting micrometers, bore gauges, and other precision instruments.

• Grade AA (±0.5μm)
• Individually serialized
• NIST-traceable certification

Industrial Applications

Our precision gauges are trusted across industries for quality control, calibration, and dimensional verification.

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CNC Machining

Verify hole diameters, slot widths, and thread accuracy in high-speed machining environments.

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Aerospace

Critical measurement of turbine blades, fuel nozzles, and structural components requiring zero tolerance for error.

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Electronics

Non-conductive ceramic gauges for measuring connectors, housings, and precision-molded parts.

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Automotive

Inspect engine blocks, transmission bores, and brake components for compliance with OEM standards.

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Tool & Die

Measure mold cavities, core pins, and bending groove widths with high repeatability.

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Calibration Labs

Use toolroom-grade pin gauges as master standards for setting and verifying other measuring instruments.

Why Choose RTP GAUGE?

Quality Assured

ISO 9001:2015 certified with full inspection reports for every shipment.

Fast Delivery

Global shipping with standard lead times of 7–15 days for most orders.

Custom Solutions

Tailored gauges to your exact specifications, including size, material, and marking.

Technical Support

Expert advice on gauge selection, calibration, and application best practices.

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Precision Pin Gauges for Industrial Excellence