Manufacturers of Metal Fastening Elements Since 1951
At Tornillería Amezua S.A. (T.A.), we manufacture hot-forged bolts and screws, threaded studs, and a wide range of metal fastening products, including shafts, anchors, and other special components.
Products are manufactured according to the most widely recognized international standards, including:
• ISO
• EN
• DIN
• ASTM
• ANSI
We maintain permanent stock of:
• DIN 931 (ISO 4014) bolts
• DIN 933 (ISO 4017) bolts
Available in grades:
• 8.8
• 10.9
• 12.9
According to ISO 898-1, in sizes ranging from M16 to M72, with a broad selection of lengths and coatings.
Our fastening products are used in numerous industries, including:
• Agriculture
• Renewable Energy
• Oil & Gas
• Construction
• Marine and Offshore Industries
