Technical parameters of external hexagon self-tapping bolts:
Performance grade: 4.8; product grade: A grade; thread tolerance: 6G; thread specification: standard; surface treatment: without treatment; head type: hexagonal; standard type: national standard; total length: 10-200 (mm);
External hexagon self-tapping bolts are used for non-metallic or softer metals. On the material being consolidated, the corresponding thread can be tapped-drilled, squeezed and pressed by the consolidated body by its own thread They work closely with each other.
Application of external hexagon self-tapping bolts:
External hexagon self-tapping bolts are mainly used for the connection and fixation of some thin plates, such as the connection of color steel plates and color steel plates, the connection of color steel plates and purlins, wall beams, etc., their penetration capacity generally does not exceed 6mm, and the maximum does not exceed 12mm . External hexagon self-tapping bolts are often exposed outdoors, and have strong corrosion resistance; their rubber seals can ensure that the screws are impervious to water and have good corrosion resistance.
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