KATO螺纹护套无尾螺纹护套，threaded inserts 图片

p1Src=//y1.yzimgs.com/uploads_old/396084/2013100416053979_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/396084/2013100416053979_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/396084/2013100416053979_old_2.jpg"