Fasteners for general use, смотри 21.060
ICS Поле
49.030.01 Fasteners in general
49.030.10 Screw threads
Screw threads for general use, смотри 21.040
49.030.20 Bolts, screws, studs
49.030.30 Nuts
49.030.40 Pins, nails
49.030.50 Washers and other locking elements
49.030.60 Rivets
49.030.99 Other fasteners