With highly qualified personnel in every department and industry-leading machinery for both manufacturing and inspection, Spiroide produces some of the finest high-precision custom helical gears and spiral bevel gears in the industry. With over 60 years of continuous investment in training and technology, Spiroide remains on the cutting edge of gear manufacturing. Their dependable gear solutions are trusted in applications across the Navy, railways, defense systems, automotive differentials, and precision machine tools.
Equipment Highlights
Cutting Machines
- KLINGELNBERG C100 U diam. 1100, module 15.5
- KLINGELNBERG AMK 630 diam. 850, module 13
- KLINGELNBERG KNC40 diam. 450, module 8
Flank Grinders
- KLINGELNBERG G80 diam. 850, module 15.5
- KLINGELNBERG G60 diam. 600, module 13
Lapper

Mechanization and Cutting
All production phases are closely monitored by Spiroide’s internal quality control, ensuring that any deviation is identified quickly and corrected. This approach supports full traceability in compliance with ISO 9001 standards, a certification Spiroide has held since 1998.
Heat Treatment
Spiroide partners with the industry's top heat treatment providers to carry out all required metallurgical processes to the highest standards.
Flank Grinding
This key manufacturing stage uses the latest high-precision machinery and advanced software to guarantee the proper gear flank geometry and surface quality.
Inspection and Quality Control
Final inspection ensures every custom gear meets the exact specifications of the customer. On request, Spiroide can coordinate third-party certification with organizations such as BV, Lloyd’s, GL, ABS, and DNV.
Cleaning and Packing
Each gear is cleaned, dried, and packed using modular systems that protect the components during shipping and storage.
Quality: Our Core Objective
From initial specifications through to final inspection, Spiroide's custom helical and spiral bevel gear manufacturing follows a controlled process to ensure dimension accuracy, durability, and consistency.
Independent certification from recognized inspection bodies is also available to support demanding customer applications.
Cylindrical Gears
Spiroide also manufactures high-precision cylindrical gears for use in gearboxes, differential systems, and maintenance of wind turbine drive systems.