The design, machining technology, detail choosed parameters and the distributed cutting area of the group set tape of the special tap for tapping on F316 low-carbon austenitic stainless steel are introduced.

• 对在F316低碳奥氏体不锈钢上加工粗牙盲孔内螺纹用专用丝锥的设计、加工工艺、参数选择及成组丝锥切削面积的分配等作了简要介绍。