JBO 0003 Motorized Thread Depth Gauge with Hardened DLC-Coated Probe
| Brand | JBO |
|---|---|
| Origin | Germany |
| Model | 0003 |
| Resolution | 0.01 mm |
| Probe Surface Hardness | HV 0.05 > 5000 |
| Max Thread Depth Measurement | 50 mm |
| Thread Pitch Range | Compatible with standard ISO/Metric, UNC/UNF, and BSW thread forms |
| Drive Mode | Electric motor with programmable torque control |
| Rotation Direction | Selectable left-hand/right-hand |
| Data Output | Digital display + wireless transmission (eMCW protocol, i-Stick receiver optional) |
| Probe & Sleeve | Interchangeable modular system |
Overview
The JBO 0003 Motorized Thread Depth Gauge is an engineered metrology solution designed for high-precision, repeatable measurement of thread depth and pitch diameter in industrial quality control and production environments. Unlike conventional manual thread plug or ring gauges, this instrument operates on a controlled rotational insertion principle—applying a user-defined, constant-torque axial force while rotating the hardened probe into the threaded feature. The integrated displacement sensor tracks linear penetration depth with 0.01 mm resolution, enabling simultaneous determination of functional thread depth and effective major diameter. Its architecture adheres to the fundamental metrological requirements of ISO 15510 (thread measuring instruments), ASTM E1316 (terminology for nondestructive evaluation), and supports traceability under ISO/IEC 17025-accredited calibration protocols. The device is intended for use in machine shops, aerospace component suppliers, automotive powertrain facilities, and medical device manufacturers where thread integrity directly impacts assembly reliability and fatigue performance.
Key Features
- Single-probe dual-parameter measurement: Simultaneously captures thread depth and functional major diameter without repositioning or auxiliary fixtures.
- Programmable constant-torque drive: Adjustable torque setting ensures consistent mechanical engagement across varying thread materials (steel, aluminum, titanium, stainless alloys) and surface conditions—eliminating operator-dependent variability.
- DLC-coated hardened probe: Diamond-like carbon coating applied to tungsten carbide probe tips delivers surface hardness exceeding HV 0.05 > 5000, ensuring long-term dimensional stability and resistance to galling during repeated insertion cycles.
- Modular probe and sleeve system: Rapid tool-change capability accommodates M2–M64 metric threads, #0–1” UNC/UNF, and British Standard Whitworth forms; all components are referenced to DIN EN ISO 1502 calibration standards.
- Automated stop logic: Configurable “through-hole” mode terminates rotation upon reaching preset depth, preventing over-insertion and preserving thread form integrity.
- Wireless data transmission: Embedded eMCW (enhanced Micro Wireless Communication) module transmits real-time depth readings to host systems; compatible with Windows-based SPC software platforms supporting FDA 21 CFR Part 11-compliant audit trails.
Sample Compatibility & Compliance
The JBO 0003 is validated for internal and external thread geometries conforming to ISO 68-1, ISO 261, ASME B1.1, and BS 84 standards. It accommodates blind and through holes with depths up to 50 mm and thread diameters from 2 mm to 64 mm. Calibration certificates per ISO 17025 are available upon request, and the instrument’s mechanical design complies with CE marking requirements (2014/30/EU EMC Directive and 2014/35/EU Low Voltage Directive). For regulated industries—including pharmaceutical equipment manufacturing and implant-grade orthopedic hardware—the gauge supports GLP/GMP documentation workflows via timestamped, user-authenticated data export.
Software & Data Management
The gauge interfaces natively with JBO’s MetroLink™ PC software (v3.2+), enabling automated report generation compliant with ISO 9001:2015 clause 8.5.2 (identification and traceability). Raw depth values are stored with metadata including date/time stamp, operator ID, part number, and torque setting. All wireless transmissions include CRC-16 error checking. Optional integration with MES/ERP systems (e.g., SAP QM, Siemens Opcenter) is supported via OPC UA or CSV batch export. Audit logs retain full edit history for all configuration changes, satisfying FDA 21 CFR Part 11 electronic record requirements when paired with validated user access controls.
Applications
- Verification of tapped hole depth in engine cylinder heads and transmission housings.
- In-process inspection of threaded inserts used in composite airframe structures.
- Final QA of orthopedic screw threads prior to sterilization and packaging.
- Tool wear monitoring by trending depth deviation across successive machining cycles.
- Calibration lab verification of thread plug gauges per ISO 3650 Annex B.
FAQ
Is the JBO 0003 suitable for measuring fine-pitch threads below 0.35 mm?
Yes—when equipped with optional micro-probe modules (order code: MP-003), the system achieves stable engagement on M2×0.35 and #0–80 UNF threads under 1.2 N·cm torque setting.
Can measurement data be exported to Excel or statistical process control platforms?
Yes—MetroLink™ supports direct .xlsx export and real-time streaming to Minitab, JMP, and InfinityQS ProFicient via ODBC or TCP/IP socket.
Does the device require annual recalibration?
Per ISO 17025 recommendations, we advise calibration every 12 months or after 10,000 measurement cycles—whichever occurs first—with accredited laboratories using NIST-traceable thread artifact standards.
What is included in the base configuration?
Standard delivery includes gauge body, one universal probe/sleeve set (M6–M24), USB charging cable, quick-start guide, and factory calibration certificate.



