Rotary core diamond drilling equipment — System A — Part 2: Inch units (ISO 3551-2:1992, IDT)
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SS-ISO 3551-2:2020
Rotary core diamond drilling equipment — System A — Part 2: Inch units (ISO 3551-2:1992, IDT)
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This part of ISO 3551 establishes the nomenclature and lays down the leading dimensions to ensure
interchangeability within the limits of System A of the following equipment:
a) drill rods and couplings;
b) casings, casing couplings, casing bits, casing shoes, drive shoes and casing reaming shells;
c) core barrels, core bits, core lifters and reaming shells.
It specifies the characteristics of a range of equipment for drilling holes having diameters from 1.18 in
to 7.88 in and yielding cores having diameters from 0.73 in to 6.5 in.
NOTE — The title of this part of ISO 3551 specifies diamond core drilling, but it is also possible to use other
cutting materials.
Rotary core diamond drilling equipment — System A — Part 2: Inch units (ISO 3551-2:1992, IDT)
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