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sklademVydáno: 1974-12-31
BS 2593:1974
Specification for rotary drill rods and tungsten carbide tipped rotary drill bits
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| Označení normy: | BS 2593:1974 |
| Počet stran: | 16 |
| Vydáno: | 1974-12-31 |
| ISBN: | 0 580 08347 0 |
| Status: | Standard |
DESCRIPTION
BS 2593:1974
This standard BS 2593:1974 Specification for rotary drill rods and tungsten carbide tipped rotary drill bits is classified in these ICS categories:
- 25.100.30 Drills, countersinks, reamers
This British Standard specifies requirements for rotary drill rods and tungsten carbide tipped rotary drill bits. These tools are principally for drilling in coal and other minerals, but are applicable to other materials having appropriate drilling characteristics.
Dimensions, one-piece bits including pilot and reamer bits and tungsten carbide tips with appropriate hardness grades. Materials and slot for bit, pitch of rod, straightness, and interchangeability requirements.