Rotary core diamond drilling equipment — System A — Part 2: Inch units
STANDARD published on 2.7.1992
Designation standards: ISO 3551-2:1992
Publication date standards: 2.7.1992
The number of pages: 79
Approximate weight : 237 g (0.52 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: Establishes the nomenclature and lays down the leading dimensions to ensure interchangeability within the limits of system A of the following equipment: drill rods and couplings; casings, casing couplings, casing bits, casing shoes, drive shoes and casing ream shells; core barrels, core bits, core lifters and reaming shells. 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.