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DIN 20378:1990-10

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DIN 20378:1990-10

Drilling hammers; taper gauges for tapered connections of drill rods and bits

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This standard fixes dimensions and surface conditions of gauges which are used to proof the tapered coupling parts of drill rods as per DIN 20377 and percussion bits as per DIN 20379.

Author DIN
Editor DIN
Document type Standard
Format File
ICS 73.120 : Equipment for processing of minerals
Number of pages 2
Replace DIN 20378 (1960-01)
Set DIN-TAB 272-1999,DIN-TAB 272 Einzelplatzversion-2005,DIN-TAB 272 Netzwerkversion-2005
Year 1990
Document history DIN 20378 (1990-10)
Country Germany
Keyword 20378