IS 8986 : 2022 Hexagonal Integral Drill Steel and Extension Rods and Hollow Round Drill Steel in Bar Form-Dimensions
| ICS 73.100.30; 77.140.60 | MED 21 |
Revised Standard from Last Update.
1 SCOPE
This standard specifies the dimensions for hexagonal integral drill steel and extension rods and hollow round drill steel in bar form.