BS 7795-1995 预加微囊包封化学粘合件内装螺纹的螺栓、螺钉和螺柱规范

标准号：BS 7795-1995
中文标准名称：预加微囊包封化学粘合件内装螺纹的螺栓、螺钉和螺柱规范
英文标准名称：Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread
标准类型：J13
发布日期：1995/6/15 12:00:00
实施日期：1995/6/15 12:00:00
中国标准分类号：J13
国际标准分类号：21.060.10
适用范围：This British Standard specifies the coatings, dimensions, materials, lubrication and performance requirements for pre-applied adhesive type bolts, screws and studs with a micro-encapsulated chemical adhesive feature incorporated into the thread, when tested at an ambient room temperature between 15 ℃ and 30 ℃. It applies to bolts, screws and studs: a) with ISO metric coarse pitch M6 to M20 threads conforming to BS 3643 : Part 2 : 1981; b) with specific strength requirements conforming to either BS 6104 : Part 3 : 1981, BS 6105 : 1981 or BS EN 20898-1 : 1992, as appropriate; c) with threads of tolerance class 6g or 4h conforming to BS 3643 : Part 2 : 1981; d) for application into a mating component with a thread of tolerance class 6H conforming to BS 3643 : Part 2 : 1981; e) for use within the temperature range - 50 ℃ to + 150 ℃. The following are not covered in the scope of this standard: 1) capability of providing a pressure or liquid seal; 2) performance at temperatures outside the operating range; 3) performance of bolts, screws and studs for which a lubricated coating is not permissible.