Flat Head Self Drilling Screw
Product Name:Zinc Coated Flat Bugle Head Long Self Drilling Decking Screw
Material:Carbon Steel, Stainless Steel
Surface Treatment:Zinc Plated, Hot Dipped Galvanized, Black
Products Description
Head of flat head self drilling screw is designed to be sunken and round, and the tail is cut with drill bit to form a hexagonal shape. This design is not only beautiful, but also increases friction with screw hole, making screw more firmly fixed to connected material.
The drill tail refers to a drill bit with thicker head and relatively slender tail. Its advantage is easier to control depth and accuracy, and it is suitable for some occasions requiring accurate drilling.
Products Parameter
|
Spec |
M3.5 |
M3.9 |
M4.2 |
M4.8 |
M5.5 |
|
dk |
6.83 |
7.4 |
7.9 |
9.02 |
11.02 |
|
k |
2.35 |
2.65 |
2.82 |
3.29 |
3.95 |
Products Features
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Aesthetic:
Due to sunken head, screw cap is flush with surface, which has aesthetic effect, suitable for occasions with high decorative and flat surface requirements.
Fixation:
The hexagonal tail increases friction with the screw hole, making flat head self drilling screw more firmly fixed to the connected.
Material Simple:
When using hexagon head drill tail screw, no need to use special wrench or wrench and other tools, just use a screwdriver or hexagon wrench.
Products Display
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