Hexagon head screws
| Immagine | Descrizione | Passo | Classe | Finitura | Famiglia | DIN | ISO | UNI |
|---|---|---|---|---|---|---|---|---|
| Immagine | Descrizione | Passo | Classe | Finitura | Famiglia | DIN | ISO | UNI |
 | Hex Head Screw with UNC threading | UNC | GR.5 (similar to 8.8) | 20321 | ||||
| Hex Head Screw with UNC threading | UNC | GR.5 (similar to 8.8) | Z. Bianca | 20321 | |||
| Hex Head Screw with UNF threading | UNF | GR.5 (similar to 8.8) | 20331 | ||||
| Hex Head Screw with UNF threading | UNF | GR.5 (similar to 8.8) | Z. Bianca | 20331 | |||
 | Fully threaded hex head screw | Coarse | 8.8 | 20360 | 933 | 4017 | 5739 | |
| Fully threaded hex head screw | Coarse | 8.8 | Z. Bianca | 20360 | 933 | 4017 | 5739 |
| Hex Head Screw partially threaded | Coarse | 8.8 | 20361 | 931 | 4014 | 5737 | |
| Hex Head Screw partially threaded | Coarse | 8.8 | Z. Bianca | 20361 | 931 | 4014 | 5737 |
| Fully threaded hex head screw | Fine | 8.8 | 20370 | 961 | 8676 | 5740 | |
| Fully threaded hex head screw | Fine | 8.8 | Z. Bianca | 20370 | 961 | 8676 | 5740 |
| Hex Head Screw partially threaded | Fine | 8.8 | 20371 | 960 | 8765 | 5738 | |
| Hex Head Screw partially threaded | Fine | 8.8 | Z. Bianca | 20371 | 960 | 8765 | 5738 |
| Fully threaded hex head screw | Coarse | 4.8 | 20560 | 558 | 4018 | 5725 | |
| Fully threaded hex head screw | Coarse | 4.8 | Z. Bianca | 20560 | |||
| Fully threaded hex head screw | Coarse | 10.9 | 20960 | 933 | 4017 | 5739 | |
| Fully threaded hex head screw | Coarse | 10.9 | Z.D. Bianca | 20960 | 933 | 4017 | 5739 |
| Hex Head Screw partially threaded | Coarse | 10.9 | 20961 | 931 | 4014 | 5737 | |
| Hex Head Screw partially threaded | Coarse | 10.9 | Z.D. Bianca | 20961 | 931 | 4014 | 5737 |
| Fully threaded hex head screw | Fine | 10.9 | 20970 | 961 | 8676 | 5740 | |
| Fully threaded hex head screw | Fine | 10.9 | Z.D. Bianca | 20970 | 961 | 8676 | 5740 |
| Hex Head Screw partially threaded | Fine | 10.9 | 20971 | 960 | 8765 | 5738 | |
| Hex Head Screw partially threaded | Fine | 10.9 | Z.D. Bianca | 20971 | 960 | 8765 | 5738 |
 | Hex Head Screw Knurled Flange | Coarse | 8.8 | 21361 | 6921 | |||
| Hex Head Screw Knurled Flange | Coarse | 8.8 | Z. Bianca | 21361 | 6921 | ||
 | Wide hex head screw for structural work | Coarse | 10.9 | C1961 | 6914 | 7412 | 5712 | |
 | Wide hex nut for structural work | Coarse | C2361 | 6915 | 7414 | 5713 | ||
| Wide hex nut for structural work | Coarse | Z. Bianca | C2361 | 6915 | 7414 | 5713 | |
 | Flat washers for structural work | HV300 | C3400 | 6916 | 7416 | 5714 | ||
| Flat washers for structural work | HV300 | Z. Bianca | C3400 | 6916 | 7416 | 5714 | |