Wind Energy
Safety-Critical Fasteners For The Renewable Energy Market
With over 25 years of experience, we deliver high-performance fasteners that meet the extreme demands of onshore and offshore wind farms.
As one of the few suppliers providing every fastener needed for a complete wind turbine—from foundation anchor studs to blade-to-hub assemblies—we help manufacturers streamline procurement, ensure compatibility, and enhance supply chain efficiency.
Backed by in-house technical expertise, precision engineering, and industry-leading certifications, we are the go-to partner for wind turbine manufacturers worldwide.
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Product Categories
Wind Turbine Foundation
Foundation anchor studs engineered for long-term structural stability.
Tower Construction
High-strength tower bolts and studs to withstand extreme loads and environmental conditions.
Blade to Hub
Critical fasteners designed for high-torque, high-fatigue applications.
Nacelles
Precision-engineered nacelle bolts and studs ensuring operational safety and performance.
Transition Piece Bolts & Studs
M72 fasteners and other specialised components for offshore applications.
Wind Energy Bolts & Accessories
Tower Studs
Transition Piece Site Assembly
Blade to Hub Studs
Large Diameter Nacelle Studs
Tower Bolting Assemblies
Nacelle Studs
Machined Hex Bolt
Machined Stud
Foundation Anchor Bolts
Market Advantages
Recognised worldwide for quality and reliability.
Decades of experience in safety-critical fastening solutions.
Covering all critical wind turbine components.
State-of-the-art global testing ensures compliance and durability.
Including TUV Nord, ISO 9001, ISO 14001 & ISO 45001.
Continuously innovating to meet evolving industry demands.
Delivering high quality without compromising cost efficiency.
Facilities optimised for serving the wind energy market.
From foundation to blade tip
Product Specifications
We manufacture a comprehensive range of anchor fasteners designed specifically for wind turbine towers.
Key Specifications:
- Material: High tensile steel
- Diameter Range:
- Metric: M24 (1”) to M64 (2.5”)
- Imperial: 0.75” to 2.50”
- Strength Classes:
- Metric: Up to Grade 10.9 & 150
- Imperial: ASTM-A615 Grade 75, 90, 100 & ASTM-A722 Grade 150
- Length Capabilities:
- Up to 5m (European manufacturing)
- Up to 7m (Asian manufacturing)
- Up to 25’ (North American manufacturing)
Standards & Compliance:
- Manufactured to ISO and ASTM standards to meet global market requirements
- Full test certification provided with every batch
Corrosion Protection Options:
- Galvanising
- Sherardising
- Zinc Flake Coating (providing up to 1000 hours corrosion resistance)
Additional Features:
- Studs can be fitted with heat shrink or rigid plastic debonding sleeves for uniform stress distribution after casting into concrete foundations
- Tensioning equipment and loading information available upon request
Custom fabricated one-piece cradles available to customer specifications
We provide high-performance fasteners for various wind turbine tower designs, including standard flange-jointed and lattice structures.
Flange-Jointed Tower Fasteners:
- TUV Nord Approved for the manufacture and supply of EN14399-4 products
- Finish: Hot-dip galvanised
- Size Range: M16 to M80
Custom Fastener Assemblies:
- Special fastener solutions tailored for lattice towers and other non-standard designs
Friction Control & Corrosion Protection:
- In-house lubrication for precise friction control of nuts
- ASTM Fastener Assemblies:
- Bolts: ASTM A490M
- Nuts: ASTM A563M 10S
- Washers: ASTM F436M
Coatings: Available in a variety of corrosion-resistant finishes
We manufacture a high-performance range of studs specifically designed for blade-to-hub connections.
Product Capabilities:
- Custom & Standard Studs:
- Fully machined, customer-specific designs
- Manufactured using state-of-the-art CNC machinery
- Size Range:
- Diameters from M20 to M64
- Strength Classes:
- Property class 8.8 and 10.9
- Custom specifications available upon request
Corrosion Protection & Friction Control:
- In-house Zinc Flake Plating to optimise:
- Coefficient of friction
- Corrosion resistance
We manufacture a comprehensive range of Nacelle bolts and studs to meet the demanding requirements of wind turbine applications.
Standard Bolt & Stud Range:
- ISO 4014 Bolts: Diameters from M16 to M72
- ISO 4017 Setscrews: Property classes 8.8, 10.9, and 12.9
- Custom manufacturing available to meet special requirements
Custom & Special Fasteners:
- Machined studs designed to customer specifications
- Special studs available in diameters M16 to M100
- Strength classes 8.8 and 10.9
Corrosion Protection & Friction Control:
- In-house Zinc Flake Plating for:
- Optimised coefficient of friction
- Enhanced corrosion resistance
We manufacture a specialised range of fasteners for transition pieces (TPs) in offshore wind turbine towers.
Product Capabilities:
- Bolting & Studding Assemblies up to M80
- Manufactured in compliance with DASt Directive 021
HV Bolting Assemblies:
- Nominal Size: M72
- Application in accordance with:
- DIN 18800-1
- DIN 18800-7
