IS 10208 : 2025 Diamond Core Drilling Equipment - Specification
1 SCOPE
1.1 This standard covers the requirements for the following components of the diamond core drilling equipment:
a) Drill rods and rod couplings;
b) Casings, casing couplings, casing bits, casing shoe bits, drive shoes and casing reaming shells; and
c) Core barrels, core bits, core lifters, core lifter case and reaming shells.
1.2 It also covers the nomenclature, basic dimensions for drill rods, casings, core barrels and their related diamond set items for the various designs of the core drilling equipment.
1.3 The equipment covered by this standard are suitable for drilling holes from 30 mm to 200 mm diameter yielding cores of 18.5 mm to 165 mm diameter.
2 REFERENCES
The Indian Standard listed in below contain provisions which, through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were 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 editions of the standards listed below:
| IS No. | Title |
| IS 1570 (Part 2) | Schedules for wrought steels - Part 2 Carbon steels (unalloyed steels), |
| (Sec 1) : 1979 | Wrought products (other than wires) with specified chemical composition and related properties (first revision) |
| (Sec 1) : 1987 | Carbon steel wires with related properties (first revision) |
| (Part 4) : 1988 | Alloy steels (alloy constructional and spring steels) with specified chemical composition and mechanical properties (first revision) |