国产污网站I刘玥AV在线Iav最新天I91偷拍胡言乱语I刘玥激情一区二区视频I刘玥毛片I黄色日BI九九视频在线观看I一道本不卡专区I成人无码999I一级黄色avI成人精品网站

It is single piece collar that uses one or two row of set screws to induce the gripping force. It is used where high axial loads are expected, and is effective where low annular clearance is encountered. This Stop Collar is easy to install because it simply slides onto the casing. These Stop Collars undergo a special phosphate coating process to prevent corrosion and are then coated with a special polyester powder. The product is available in all sizes ranging from 4 ?“ to 20”.