What Bilz does

Bilz Werkzeugfabrik GmbH & Co. KG is a German precision tool manufacturer founded in 1919 and headquartered in Ostfildern, Germany, specializing in inductive shrink fit technology for tool clamping. The company develops and produces a coordinated portfolio built around its core inductive shrink fit platform, including ThermoGrip ISG shrink devices (notably the energy-efficient ISG 1200), a family of ThermoGrip shrink fit chucks (TMG, BIONICS, TEX, Corona Jet 2.0, Cool-Jet), CNC tool holders (high-performance milling chucks, hydraulic expansion chucks, face contact holders, PSC adapters), synchro thread cutting and forming chucks (S3D Synchro, Nano Synchro, GNCK/GNCN thread cutting apparatus), BTC tool presetters, and measurement/SmartTools (BPMS, TDSc data carriers). Differentiated IP includes numerous patents in induction coil design and a patent-pending multi-layer TEX clamping method. The product range is extended through customer-specific tooling, an AOCS quick-change system for industrial robots, ET0 engraving chucks, Formbore profiling tools, and DTH deburring holders.

Bilz monetizes primarily through one-time hardware sales of precision tool clamping systems and CNC tool holders, complemented by service and repair for ThermoGrip units and custom-engineered special tooling. Distribution is global: a direct sales team ([email protected]) supported by an international network of country representatives in at least 12 countries across Europe (DE, FR, IT, ES, PT, PL, TR, CZ) and Asia (CN, IN, KR, VN), an online shop and CAD data portal, and an 11-language corporate website. Go-to-market is sales-led and event-driven, with consistent participation in major industry trade shows including AMB Stuttgart, MSV Brno, World of Machining Kroměříž, and MTA Vietnam. Service-style monetization layers include PAY PER USE (PPU) pre-paid shrink fit access (since 2019) and Premiumline (since 2020), which combines thermal clamping with Industry 4.0 connectivity. Customers are manufacturing companies running CNC machining, precision metalworking, automated production, and thread cutting operations; pricing is quote-based and not publicly disclosed. The company is privately held within a corporate group that also includes Leitz and Boehlerit, with whom it shares a WeCare sustainability initiative.

Name

Bilz

Legal name

BILZ WERKZEUGFABRIK GmbH & Co. KG

Website

https://bilz.de

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

251–500 employees

Short description

Bilz is a German precision tool manufacturer founded in 1919, specializing in inductive shrink fit technology, CNC tool holders, and thread cutting chucks. It sells globally through direct sales and country representatives to CNC machining and automated manufacturing customers.

Ownership category

akta.pro rank

Product category

Precision Tool Clamping Systems

NAICS

Cutting Tool and Machine Tool Accessory Manufacturing (333515)

SIC

Machine Tools, Metal Cutting Types (3541)

akta.pro primary industry

Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures) (IMAHADAB)

Keywords

• Precision tool clamping
• Induction shrink fit
• CNC tool holders
• Thread cutting chucks
• Tool presetting equipment

Headquarters

HQ city

Ostfildern

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Hardware/Product Sales: Sale of precision tool clamping systems including shrink fit holders, CNC tool holders, threading chucks, and accessories. One-time product sales model with standard commercial terms.
2. Service & Repair: Service and direct support for ThermoGrip shrink units, including maintenance and repair services.
3. Custom Tool Solutions: Customer-specific individually designed tools and special solutions as per customer requirements.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Bilz manufactures and sells precision tool clamping systems for industrial CNC machining operations. Its core portfolio includes induction shrink fit devices (ThermoGrip ISG series) and matching shrink fit chucks (TMG, BIONICS, TEX, Corona Jet variants), CNC tool holders, thread cutting and forming chucks, thread cutting apparatus, tool presetting devices, and measurement/SmartTools systems. The company also offers custom engineered tool solutions, repair and maintenance services, and a PAY PER USE pre-paid shrink fit service model.

Product overview

Bilz is a precision tool clamping technology company offering a comprehensive portfolio of thermal shrink fit systems and CNC tool holders. The core product line includes ThermoGrip induction shrink fit devices (ISG series) and matching shrink fit chucks in various designs (standard, slim, reinforced), complemented by CNC tool holders (high-performance milling chucks, hydraulic expansion, face contact holders), synchro thread cutting chucks (S3D, Nano Synchro), and thread cutting apparatus (GNCK/GNCN). Supporting products include tool presetting devices (BTC), measurement and SmartTools systems (BPMS, TDSc data carriers), minimum quantity lubrication, and specialized customer solutions (AOCS quick change system for robots, ET0 engraving, Formbore profiling, DTH deburring). The brand portfolio includes sub-brands TMG, BIONICS, TEX, and Corona Jet 2.0 for specialized applications, with accessories like the Touchdisplay interface and TAG Secure data carrier protection. The company also offers service models like PAY PER USE and Premiumline for Industry 4.0 environments.

Differentiator

Problem solved

Functional benefit

Brands

• ThermoGrip: Brand for shrink fit chucks including TMG, BIONICS, TEX, Corona Jet variants
• Nano Synchro
• S3D Synchro
• AOCS
• WeCare
• ISG

Products and services

• ThermoGrip ISG Shrink Fit Devices Induction shrink fit devices for heating and cooling tool holders, including the ISG 1200 model with 20% reduced energy consumption. Used by CNC machining operations to thermally clamp and unclamp tool holders.
• ThermoGrip Shrink Fit Chucks
• CNC Tool Holders CNC tool holders including high-performance milling chucks (HPMC), face contact holders (FBT), hydraulic expansion chucks, micro collet holders, modular adapters, PSC holders, and grinding wheel adapters for CNC machining centers.
• Thread Cutting and Forming Chucks Thread cutting and forming chucks including S3D Synchro for synchronized machining, Nano Synchro for M0.5 to M4 micro threads, and STA synchro inserts for flexible tapping and forming applications.
• GNCK/GNCN Thread Cutting Apparatus High-performance thread cutting apparatus with integrated reversing gear for series production, available in GNCK version for drilling machines and GNCN version for CNC lathes.
• BTC Tool Presetting Devices Tool presetting devices that increase productivity by enabling off-machine tool measurement and setting, delivering higher machine running times in CNC production.
• Measurement Technology and SmartTools Process monitoring solutions including BPMS pneumatic measuring system and TDSc data carriers for tool identification and process control in smart manufacturing environments.
• AOCS Quick Change System Quick change system for industrial robots providing high flexibility in production lines with automated tool changing capabilities for flexible manufacturing systems.
• ET0 Engraving Chuck Engraving chuck for marking workpieces during the machining process on nearly all surfaces, used in fine mechanics and marking operations.
• Formbore System Tool Custom tooling system for profile machining, polygon operations, and free-form surface machining using the Formbore system tool.
• DTH Deburring Tool Holder Flexible deburring tool holder providing an efficient and universal deburring solution for use with Bilz tools.
• SFC Stud Screw Insertion Chuck Stud screw insertion chuck for assembly applications, used in industrial assembly processes.
• SBK Quick Change Drill Chucks Quick change drill chucks for efficient tool changes in drilling operations on stand-mounted and hand drilling machines.
• Minimum Quantity Lubrication (MMS) Systems Minimum quantity lubrication systems for efficient cooling and lubrication during machining operations, reducing fluid use.
• Universal Ratchets and Compressed Air Couplings Universal ratchets and compressed air couplings for manual and pneumatic tool operation, used in assembly and hand-held machining.
• Thread Taps Thread taps for creating internal threads in various materials, including special thread taps for custom thread profiles.
• PAY PER USE (PPU) Shrink Fit Service Pre-paid service model offering flexible access to Bilz thermal tool clamping (shrink fit) technology without requiring large capital investment, including a leased ISG 1100 device.
• Premiumline Smart Tool Clamping Premium product line combining thermal tool clamping technology with Industry 4.0 connectivity features for smart manufacturing environments with data-driven tool management.
• Custom Engineered Tool Solutions Customer-specific, individually designed tools and special solutions engineered to specific customer requirements, drawing on Bilz's tool clamping and machining expertise.
• Service and Repair for ThermoGrip Shrink Units Service, maintenance, and direct repair support for ThermoGrip shrink fit units, helping customers maintain uptime and performance of installed equipment.
• ThermoGrip Corona Jet 2.0 Shrink Chuck Shrink fit chuck with optimized internal coolant channels and exchangeable nozzle rings for direct coolant supply to the cutting edge and flutes, improving cooling performance in CNC machining.
• ThermoGrip TMG Shrink Chuck Universal shrink fit chuck accommodating all diameters with extreme holding forces, exceptional flexibility, high stiffness, and optimized vibration damping.
• ThermoGrip TEX Shrink Chuck Patent-pending shrink fit chuck with multi-layer construction and additional inner clamping sleeve, achieving extreme clamping forces and improved damping through utilization of longitudinal and radial expansion.
• ThermoGrip BIONICS Shrink Chuck Shrink fit chucks with bionic structural optimization providing a cost-effective shrink fit solution for CNC machining operations.
• VIDAT Vibration-Damped Extensions Vibration-damped extensions for shrink fit chucks that improve machining performance by reducing vibration, enabling longer tool extensions with stability.
• Touchdisplay for ThermoGrip Shrink Units Intuitively operable graphical interface accessory for ThermoGrip ISG shrink fit units with automatic and manual modes, parameter library, favorites list, and data carrier reading capabilities.

Quantifiable outcome

• 20% less energy consumption with comparable performance in ISG 1200 shrink unit
• +2 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• WeCare (Leitz, Boehlerit, Bilz)coreStrategic or Co-development PartnerWeCare is a sustainability initiative involving sister companies Leitz, Boehlerit and Bilz, demonstrating lived sustainability practices across the corporate group. The initiative covers environmental topics including the WeCare oil pond.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Schunk: Schunk is a German manufacturer of toolholding and workholding systems, including shrink fit chucks and stationary clamping technology. Directly comparable product range and target customer base in precision CNC machining, with both companies serving European premium industrial customers.
• MAPAL: MAPAL is a German precision tool manufacturer offering tool holders, boring tools, and clamping systems for CNC machining operations. Direct overlap with Bilz on precision tool holding, workholding, and customer base in European automotive and industrial manufacturing.
• OTT-JAKOB: OTT-JAKOB is a German specialist in hydraulic and mechanical tool clamping technology with Power-Grip shrink fit chucks. Closely comparable niche focus on premium tool clamping solutions for CNC machining customers.
• Rego-Fix: Rego-Fix is a Swiss manufacturer of precision tool holding systems including the well-known ER collet system and shrink fit (PowRgrip) technology. Directly competes with Bilz in the shrink fit chuck and tool holder segment with comparable premium positioning.
• Haimer: Haimer is a German-based specialist in tool holding, shrinking, balancing, and presetting technology with a comparable product portfolio to Bilz across shrink fit chucks, tool holders, and shrinking devices. Both companies serve CNC machining customers with proprietary thermal clamping technology and compete head-to-head in the European premium shrink fit segment.

Broad incumbents

• Sandvik Coromant: Sandvik Coromant is the world's largest metal cutting tooling manufacturer offering a comprehensive portfolio including tool holders, clamping systems, and digital manufacturing solutions. Overlaps with Bilz on CNC tool holding but operates at much greater scale with broader product breadth and global direct sales coverage.
• Kennametal: Kennametal is a major global tooling solutions provider offering tool holders, cutting tools, and wear-resistant materials. Competes with Bilz across CNC tool holding and clamping systems but as part of a much broader industrial tooling portfolio serving aerospace, automotive, and general engineering customers.
• Walter Tools (Walter AG): Walter is a German-based manufacturer of precision tools for metalworking including turning, drilling, milling, and tool holding systems. Competes with Bilz in the CNC tool holder and clamping space but with significantly broader product breadth across cutting tools.
• Guhring: Guhring is a German manufacturer of rotary cutting tools including drills, taps, and milling cutters with complementary tool holding offerings. Overlaps with Bilz in serving precision machining customers with rotary tooling requirements and competes in adjacent workholding categories.
• EMUGE-Werk: EMUGE is a German manufacturer of thread cutting tools, taps, and clamping technology serving CNC machining customers. Direct overlap with Bilz on thread cutting chucks (S3D Synchro, Nano Synchro) and broader tooling portfolio serving automotive and industrial manufacturing.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCVg8U8znkyEdpwFs2eKe5Jg
• LinkedInlinkedin.com/company/bilz-werkzeugfabrik-gmbh-&-co-kg
• Xx.com/bilz_de

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Bilz