We are professionally in making sofa zigzag spring, sofa spring clip,pocket spring, sofa connector, T-Nut, sofa hinge, sofa tracking strip, nail strip, draw spring, paper cover wire,mattress clip ,and so on.

 Made out of steel, it offer to be put inside the MDF board, or other hard wooden plate, you usually use it with screws, widely used in wooden furniture industries and office furniture system.

      1. Diameter: M4-0.8; M5-0.8; M6-1.0; M8-1.2; M10-1.5.
      2. Length: standard size; there is  many choice for each diameter.
      3. Material: carbon steel.
      4. Finish: white znic or blue znic.

      5. Popular used in the office chair, wooden furniture.