Safety-critical fasteners: Forging, heat treatment, coating, CNC machining, and testing in one place
Cooper Turner Beck Group (CTB Group)
Sheffield (GB) · Rotherham (GB) · Glasgow (GB) · Kingswinford (GB) · Armentières (FR) · Aillevillers et Lyaumont (FR) · Bogny sur Meuse (FR) · Hamm (DE) · Ennepetal (DE) · Zele (BE) · Pueblo, CO (US)New on Amplifa
About Cooper Turner Beck Group
The Cooper Turner Beck Group (CTB) develops and manufactures safety-critical fasteners such as high-strength screws, bolts, and special fittings for the energy, construction, and heavy industries. The value chain includes hot forging up to 1,250 tons of press force, automated forging of M30–M80 bolts, threading on over 60 machines from M6 to M180, in-house heat treatment (hardening, annealing, quenching, solution annealing, tempering, stress-relieving), corrosion-resistant coatings (Remcor, Delta, Magni, Zintek), and CNC machining on over 200 lathes worldwide. Nickel alloys are among the materials processed in hot forging. The offering is rounded off by engineering, R&D, material, load, fatigue, and environmental testing, as well as inventory management, kitting, and worldwide distribution. The group employs over 1,100 employees at 17 locations in Europe, North America, and the Asia-Pacific region (12 manufacturing and 5 sales locations). In the DACH region, the group is represented by BC Germany in Hamm and Ennepetal; customers come from wind energy (Onshore & Offshore), nuclear technology, oil & gas, gas turbines, rail and tunnel construction, civil engineering, and heavy machinery manufacturing.
- Site
- S9 1RS Sheffield
- Processes
- Hot Forging, Automated Forging (Bolts M30–M80), Thread Rolling (Cold Rolling, M6–M180), Heat Treatment (Hardening, annealing, quenching, solution annealing, tempering, stress relieving), Coating (Remcor, Delta, Magni, Zintek), CNC Machining (Turning Parts, Tight Tolerances), Material Strength Testing, Load and Fatigue Testing
- Materials
- Hot Forging up to 1,250 t, Automated Forging, Thread Rolling (Cold Rolling), Heat Treatment, Corrosion Protection Coating, CNC Machining, Nickel Alloys
- Certificates
- ISO 9001, ISO 14001, ISO 45001, ISO/IEC 17025, API Q1, 20E & 20F, DASt 021 (2013-09), EN 14399-1 / EN 15048-1, AD 2000-Merkblatt W0 / DGRL 2014/68/EU, RISQS, National Highways Sector Scheme 3, TPG (Heat Treatment & NDT), DIBt Ü-Certification, AD 2000-W0 / DGRL 2014/68/EU
- Employees
- 1100+
- Industries
- Wind Energy (Onshore & Offshore), Nuclear Energy, Oil & Gas, Energy Generation/Gas Turbines, Civil Engineering/Infrastructure, Rail & Tunnel Construction
- 01
Consulting/Engineering
- 02
R&D and Product Development
- 03
Hot Forging / Automated Forging
- 04
Thread Rolling
- 05
Heat Treatment
- 06
Coating
- 07
CNC Machining
- 08
Testing (Material, Load, Fatigue, Environmental, Conformity)
- 09
Kitting and Sub-assembly
- 10
Inventory Management and Distribution
Materials & Processes
Hot Forging up to 1,250 t
Manufacturing of large, highly integrated fasteners, including in nickel alloys for harsh environments.
Automated Forging
Automated forging cells in Great Britain and Asia for M30–M80 bolts in large series.
Thread Rolling (Cold Rolling)
Over 60 machines for M6–M180; improves surface quality and fatigue strength of safety-critical assemblies.
Heat Treatment
Hardening, annealing, quenching, solution annealing, tempering, and stress relieving for targeted setting of mechanical properties.
Corrosion Protection Coating
Remcor, Delta, Magni, and Zintek on automated in-house systems.
CNC Machining
Over 200 CNC lathes for complex geometries and tight tolerances.
Nickel Alloys
Hot forging for high-performance applications in extreme operating environments.
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Hot ForgingForming | – | – | – | – | Nickel Alloys |
| Automated Forging (Bolts M30–M80)Forming | – | – | – | – | – |
| Thread Rolling (Cold Rolling, M6–M180)Forming | – | – | – | – | – |
| Heat Treatment (Hardening, annealing, quenching, solution annealing, tempering, stress relieving)Heat Treatment | – | – | – | – | – |
| Coating (Remcor, Delta, Magni, Zintek)Surface | – | – | – | – | – |
| CNC Machining (Turning Parts, Tight Tolerances)Machining | – | – | – | – | – |
| Material Strength TestingTesting | – | – | – | – | – |
| Load and Fatigue TestingTesting | – | – | – | – | – |
| Environmental Impact TestingTesting | – | – | – | – | – |
| Conformity TestingTesting | – | – | – | – | – |
| Testing, Kitting and Sub-assemblyAssembly | – | – | – | – | – |
| Non-Destructive Testing (TPG, India)Testing | – | – | – | – | – |
| Consulting, R&D, and Design of FastenersEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality & Certifications
All essential manufacturing sites are ISO 9001 certified; internal testing laboratories (ISO/IEC 17025 in Sheffield, Haiyan, Armentières) perform material, load, fatigue, environmental, and conformity testing. Sector-specific approvals include API Q1/20E/20F, DASt 021, EN 14399-1/EN 15048-1, AD 2000-W0/DGRL 2014/68/EU, DIBt Ü-Certification, RISQS, NHSS 3, and TPG.
| Evidence | Sheffield | Armentières | Hamm | Haiyan | Pueblo |
|---|---|---|---|---|---|
| ISO 9001 | |||||
| ISO 14001 | |||||
| ISO 45001 | |||||
| ISO/IEC 17025 | |||||
| API Q1, 20E & 20F | |||||
| AD 2000-W0 / DGRL 2014/68/EU | |||||
| DIBt Ü-Certification |
History
- 2025
Completion of the transfer of ownership rights to Waterland Private Equity
- 2025
Introduction of the Sage X3 ERP platform to strengthen corporate processes