1.Made of carbon steel, Nickel plated or Zinc plated Finished.2.T-Nut with M4 thread.3.Suitable for standard 30mmx30mm aluminum profile extrusion slot.4.Put the nuts into the slot in the profile slot, rotate it 90 degrees clockwise, and automatically position the lock during the installation process, usually used with the hexagon socket head bolt. Specification:Shape: Hammer HeadMaterial: Carbon SteelFinish: Nickel plated or Zinc platedThread Type: M4Length: Aprrox.16mm/0.63"Width: Aprrox.8mm/0.31"Height: Aprrox.7.6mm/0.3"Package Content: 10 x M4 T-Nuts.
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