IS 8166 : 2024 Rotary Drill Bits for Drilling Principally in Coal - Specification
1 SCOPE
1.1 This standard covers the requirements for rotary drill bits used for drilling holes. The tools are principally for use in coal but are applicable to other materials having appropriate driving characteristics.
1.2 This standard also covers the pilot and reamer bits for drilling large diameter holes.
2 REFERENCES
The standard given below contains provisions which, through reference in this text, constitute provision of this standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of this standard.
| IS No. | Title |
| IS 4005 : 1967 | Specification for tungsten carbide for mining tools |