1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...

1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...

1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...

1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...

1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...

1. Carbon steel glued screw sleeves are divided into five types: standard type, thin-wall type, thick-wall type, locking type and special type for automobiles. The installation is simple, fast and convenient, and the strength of screw holes is enh...