快拧卡套穿板接头                                                            快拧卡套接头                                                快拧三通接头

快拧四中间接头                                                           快拧直角接头                                                 快拧直角中间接头

快拧直通穿板接头                                                            快拧直通接头                                                   快拧直通内牙接头

 快拧直通中间接头