BS 1937-1953 工程用棘轮摇钻及钻柱规范

标准号：BS 1937-1953
中文标准名称：工程用棘轮摇钻及钻柱规范
英文标准名称：Specification for engineers' ratchet braces and drilling pillars
标准类型：J52
发布日期：1953/2/10 12:00:00
实施日期：1953/2/10 12:00:00
中国标准分类号：J52
国际标准分类号：25.100.30
适用范围：Sizes, dimensions, material, for following open and enclosed drive ratchet braces: long head (box), short head, extra short head (pin brace), short head heavy duty (boiler brace), bit stock. Dimensions of drilling pillars for use with braces. For use with drills having Morse taper or square taper shanks, when necessary employing an adaptor, conversion details of which are included.