The hex head screws are manufactured according to European and American dimensional and quality standards (UNI-EN-DIN-ISO-ASTM-ASME). These fasteners feature diameters ranging from 20mm (7/8") to 64 mm (2"1/2), with a length up to 640 mm. Customers are given the opportunity to customise the size of the head, shank, thread, processing tolerances. The fasteners are made of carbon and alloy steel, according to strength classes 4.6-5.6-8.8-10.9-12.9-14.9-B7. We also offer galvanic coatings even with dehydrogenation, geomet, burnishing and phosphating.

Technical sheets: 
ASME B18.2.1
DIN 561
DIN 564
DIN 609 / EN ISO 4014 / EN ISO 8765 / DIN 931 / UNI 5737 / DIN 960 / UNI 5738 / UNI 5712
EN 24015
EN ISO 4017 / EN ISO 8676 / DIN 933 / UNI 5739 / DIN 961 / UNI 5740
EN ISO 4018 / DIN 558 / UNI 5725
EN ISO 4016 / DIN 6914 / DIN 7990 / DIN 601 / UNI 5727
DIN 610 / DIN 7968 / DIN 7999

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