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BS 2593:1974 Specification for rotary drill rods and tungsten carbide tipped rotary drill bits
standard by BSI Group, 12/31/1974
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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.Cross References:
BS 240:Part 1
BS 970:Part 1
BS 970:Part 2
BS 970:Part 3
BS 1090
BS 1723