標準號：BS ISO 8020-2002
中文標準名稱：壓制加工用工具.帶圓頭和直的或縮小柄桿的沖頭
英文標準名稱：Tools for pressing - Punches with cylindrical head and straight or reduced shank
標準類型：J32
發布日期：2002/7/16 12:00:00
實施日期：2002/7/16 12:00:00
中國標準分類號：J32
國際標準分類號：25.120.10
適用范圍：This International Standard specifies the basic dimensions and tolerances, in millimetres, of punches with cylindrical head and straight or reduced shank. Cylindrical head punches with reduced shank are standardized in round, oblong, square and rectangular shapes. This International Standard gives examples of materials and their hardness, and specifies the designation of punches. These punches are available with shank diameters, D1, from 3 mm to 32 mm. The main use of the punches specified in this International Standard is for punching holes in steel sheet. They may also be used for punching in other materials.