Counterbores for hexagon socket head cap screws and slotted cheese head screws.
NORMA vydána dne 1.5.1991
Designation standards: DIN 74-2:1991-05
Note: NEPLATNÁ
Publication date standards: 1.5.1991
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Senkungen für Schrauben mit Zylinderkopf.