標準號：BS 4019-4-1993
中文標準名稱：旋轉芯鉆設備規范.A系統規范:第4部分:英制單位
英文標準名稱：Rotary core drilling equipment - Specification for System A. Inch units
標準類型：D81
發布日期：1993/8/15 12:00:00
實施日期：1993/8/15 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：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 drill-ing 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 drill-ing, but it is also possible to use other cutting materials.