平垫圈 A 级(GB/T97.1-2002)点击图片可放大 厚 度h公称规格(螺纹大径d)内 径d1公称(min)外 径d2公称(min)公称max1.61.840.30.422.450.30.42.52.960.50.633.470.50.63.53.980.50.644.590.81.055.51011.266.6121.61.989161.61.910112022.31213.5242.52.81415.5282.52.81617.53033.618203433.620223733.622243933.624264444.627305044.630335644.633366056363966563942726742457889.245488589.248529289.252569889.256621051011.260661101011.264701151011.2