单位：毫米 mm梅花槽盘头螺丝规格螺距P头部直径dk头部厚度k梅花槽号对应工具型号
M1.60.352.9-3.21.16-1.3T4M20.43.7-4.01.46-1.6T6M2.50.454.7-5.01.96-2.1T8M30.55.3-5.62.26-2.4T10M40.77.64-8.02.92-3.1T20M50.89.14-9.53.52-3.7T25M6111.57-12.04.3-4.6T30M81.2515.57-16.05.7-6.0T45M101.519.48-20.07.5-7.14T50