Screws come with a semi-secret and countersunk head, antimagnetic, for attaching dials.
Air screws Hexagon socket head screws: OST 1 31501-80 OST 1 31502-80 Hexagon socket head screws with crosswise slot: OST 1 31508-80 Screws with cylinder head: OST 1 31514-80 OST 1 31515-80 OST 1 31519-80 Screws with a semicircular head: OST 1 31528-80 OST 1 31529-80 OST 1 31535-80 Screws with a flat-convex head: OST 1 31537-80 OST 1 31538-80 Countersunk head screws (90 degree angle) and straight slot: OST 1 31542-80 OST 1 31543-80 OST 1 31549-80 Countersunk head screws (90 degree angle) and crosswise slot: OST 1 31551-80 OST 1 31552-80 Countersunk head screws (120 degree angle): OCT 1 31564-80 OST 1 31565-80 Self-tapping screws with semicircular head: OST 1 31566-80 Self-tapping screws with countersunk head (90 degree angle) and straight slot: OST 1 31567-80 Self-tapping screws with countersunk head (90 degree angle) and cross-slotted: OCT 1 31568-80 Self-tapping screws with a cylindrical head and a crosswise slot: OST 1 31581-91 Self-tapping screws with countersunk head (90 degree angle) and cross-slotted: OST 1 31582-91
| Purpose | |
| Aircraft | IL-76 |
| Specifications Fasteners | |
| Industry Standard | ОСТ1/Gost/Normali |
| Metal and Coating | Zinc, cadmium, without coating |
| Type | Hexagon socket head screws |

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