1.按膨胀螺栓规格先用Z1C2 - 22 型电维（冲击电钻）钻孔，然后插入膨胀螺栓。
This section mainly covers various clips, bolts and other necessary accessories needed for the installayion of cable trays. You are welcome to use them.
All the connection bolts, fastening bolts and cable clips and clamps are galvanized. For other clampers, angel steel with holes, their surfaces may be treated in the following three ways: painting, galvanizing or electrostatic painting.
1.First use electric impset drller Model Z1 C2 - 22 to make a hole according to the 0. D of espansion bolt and then irsert it.
2.Put on the element to be fastened screw the bolt tightly.
If you need accessories of other specifications, you can send us your drawings or let us know by leeters or cables, we will do our utmost to meet your requirements.