標準號：ISO 3551-2-1992
中文標準名稱：回轉取心金剛石鉆探設備 系列A 第2部分:英制單位
英文標準名稱：Rotary core diamond drilling equipment; system A; part 2: inch units
標準類型：D81
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：D81
國際標準分類號：73.100.30
適用范圍：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.