NIRO Screws, Nuts etc. NIRO Threaded rod NIRO Stud NIRO Wall Stud NIRO Cross recessed chipboard screw NIRO Hexagon wood screw acc. to DIN 571 NIRO Cylindrical screw with hexagon socket head acc. to DIN 6912 NIRO Countersunk bolt with hexagon socket head acc. to, former DIN 7991 NIRO Eye Bolt acc. to DIN 444 with wood thread NIRO Eye Bolt acc. to DIN 444 NIRO Shank Collared Eye Bolt, long type NIRO Washer, former DIN 125, Form A NIRO Capped nut DIN 1587 NIRO Hexagon nut, former DIN 934 NIRO Hexagon lock nut, former DIN 439 NIRO Self-locking hexagon nut, former DIN 985 ASS Cylindrical terminal ASS Clamping ring