German Precision Thread Cutting & Gauging Tools
JBO (Johs. Boss GmbH & Co. KG) is a world-leading German manufacturer of precision thread cutting and gauging tools. With decades of expertise, JBO is known for high-performance solutions in threading, inspection, and precision machining.
We supply the full range of JBO products including thread milling cutters, taps, thread gauges, thread turning tools, thread whirl tools, special tools, and measuring systems — designed for accuracy, repeatability, and long tool life.
Trusted worldwide in aerospace, automotive, mold-making, and precision engineering industries, JBO delivers German quality, innovative tool designs, and reliable performance.
Product Categories
Main Product Lines:
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Thread Cutting Tools – Precision thread mills, taps, and dies designed for consistent and accurate threading.
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Thread Gauges – GO/NO-GO plug gauges, ring gauges, and calibration masters for dimensional inspection.
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Thread Milling Cutters – Solid carbide and indexable thread milling tools for CNC machining.
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Thread Formers – Forming taps and rolling tools for chipless, high-strength threads.
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Calibration & Measuring Tools – Certified gauges and measurement devices for inspection labs.
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Custom Thread Solutions – Special thread geometries and profiles tailored for specific industrial standards.
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Accessories & Holders – Tool holders, extensions, and adapters compatible with standard tapping systems.
Patented Sub-Brands / Technologies
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JBO ThreadMilling® – Precision-engineered solid carbide thread milling tools for high-speed CNC applications.
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JBO Gauging® – High-accuracy gauging line for calibration and inspection of threaded components.
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JBO Forming® – Patented chipless thread forming technology ensuring superior strength and finish.
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JBO MasterGauge® – Certified gauge masters for inspection and quality assurance calibration.
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JBO PremiumLine® – Extended-life cutting tool range for demanding production environments.
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