Stud Bolt hex socket, washer and nut for wind blade

Yokeink specialize in providing a wide range of fasteners for the wind energy industry, ensuring high quality and compliance with international standards. Below is a list of the fasteners we offer, along with their specification grades:

1. Bolts

Types: Hex bolts, stud bolts, anchor bolts, T-bolts, and high-strength structural bolts.

Specification Grades: ISO 898-1: Grade 8.8, 10.9, and 12.9 (high-strength bolts for critical applications). ASTM A325,ASTM A490, DIN 931/933/934

2. Nuts

Types:Hex nuts, flang nuts, lock nuts, and coupling nuts.

Specification Grades: ISO 898-2: Grade 8, 10, and 12 (matching the strength grades of bolts). ASTM A563, DIN 934/985

3. Washers

Types: Flat washers, spring washers, lock washers, and fange washers.

Specification Grades: ISO 7089/7090,ASTM F436,DIN 125/127/137

4. Threaded Rods and Studs

Types: Fully threaded rods, double-end studs, and tap-end studs.

Specification Grades: ISO 898-1: Grade 8.8, 10.9, and 12.9.

ASTM A193: High-strength studs for high-temperature or high-pressure applications. ,DIN 975/976: Metric threaded rods.

5. Anchor Bolts and Foundations Bolts

Types: L-type, J-type, and U-type anchor bolts, as well as foundation bolts for wind turbine towers.

Specification Grades:

ISO 898-1: Grade 8.8 and 10.9.

ASTM F1554: Standard for anchor bolts in structural applications.

DIN 7990: Metric anchor bolts.

6. Corrosion Protection

All our fasteners can be supplied with various corrosion-resistant coatings, such as: Zinc plating (ISO 4042, ASTM B633).,Hot-dip galvanizing (ISO 1461, ASTM A153).,Dacromet coating (ISO 10683).Xylan or PTFE coatings for specialized applications.

 

Our fasteners are designed to meet the rigorous demands of wind energy applications, ensuring reliability, safety, and longevity in even the harshest environments. For specific requirements or certifications, please contact us for detailed information.