DIN 20377-1992
凿岩.冲击钻.钻杆截面.钻柄和锥度
Rock drilling; flush drills; drill rod profiles, shanks and tapers
- 标准号
- DIN 20377-1992
- 发布日期
- 1992年01月
- 实施日期
- 废止日期
- 2009-11
- 中国标准分类号
- J84
- 发布单位
- DE-DIN
- 代替标准
- DIN 20377-2009
- 适用范围
- This standard contains a synopsis of the in mining most used flush boring rods for blast hole and anchor hole drilling and fixes the connecting dimensions of their shanks.