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STN 021020 (021020)

Counterboring for hexagon screws and bolts and hexagon nuts with washer

STANDARD published on 1.12.1973

Czech -
Print design (ON REQUEST)

The information about the standard:

Designation standards: STN 021020
Classification mark: 021020
Catalog number: 50767
Publication date standards: 1.12.1973
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN