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ČSN is a protected designation of Czech national technical standards.
60° degrees left hand centre drills. Form R. Basic dimensions
Standard published on 18.9.1979
Selected format:Parallel shank twist drills. Medium series. Basic parameters
Standard published on 23.5.1988
Selected format:
WITHDRAWN published on 3.8.1977
Selected format:Parallel shank twist drills with 40° deg helix. Medium series. Basic dimensions
Standard published on 11.2.1983
Selected format:Parallel shank twist drills with 12° deg helix. Medium series. Basic dimensions
Standard published on 11.2.1983
Selected format:Parallel shank twist drills. Long series. Basic dimensions
Standard published on 13.6.1988
Selected format:
WITHDRAWN published on 4.8.1977
Selected format:Parallel shank twist drills with 40° deg helix. Long series. Basic dimensions
Standard published on 11.2.1983
Selected format:High capacity parallel shank twist drills. Medium series. Basic dimensions
Standard published on 11.2.1983
Selected format:Left-hand parallel shank twist drills. Medium series. Basic dimensions
Standard published on 23.5.1988
Selected format:Latest update: 2026-07-24 (Number of items: 2 290 214)
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