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Carbide tipped counterbores for machining corrosion proof and heat-resisting steels and alloys. Design and dimensions
STANDARD published on 1.1.1977
Designation standards: GOST 21540-76
Publication date standards: 1.1.1977
SKU: NS-385520
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.84
1.1.1986
1.1.1979
1.1.1979
1.7.1972
1.1.1977
1.7.1978
Latest update: 2026-02-13 (Number of items: 2 260 752)
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