Countersinks and counterbores; Technical specifications for tools with pilot and shankOutils à chanfreiner et à lamer; Conditions techniques pour outils à pilote et queue
DIN 2173-1:1983 history
2008DIN 2173:2008 Countersinks and counterbores, tools with pilot and shank - Technical specifications
2007DIN 2173:2007 Countersinks and counterbores, tools with pilot and shank - Technical specifications
1983DIN 2173-1:1983 Countersinks and counterbores; technical specifications for tools with pilot and shank