Rotary core diamond drilling equipment — System A — Part 1: Metric units
NORMA vydaná dňa 2.7.1992
Označenie normy: ISO 3551-1:1992
Dátum vydania normy: 2.7.1992
Počet strán: 79
Približná hmotnosť: 237 g (0.52 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy 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 30 mm to 200 mm and yielding cores having diameters from 18,5 mm to 165 mm.