Hexagon head self drilling screw
Hex head self drilling roof screw with rubber washer
Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole during installation. Self drilling screws are a commonly used variety of screw for quick drilling into both metal and wood. A self drilling screw can typically be identified by its point and flute (notch) tip.
They are measured from the top of the head to the tip. Hex and hex washer head screws and bolts, although flat on the top and the bottom, are measured from the bottom of the head. From that point to the tip is the length of the screw. Self drilling screws are measured all the way to the end of the drill point tip.
Description
Type | Hardware tools |
Material | Carbon steel, stainless steel,etc |
Diameter | 3.5-8.0mm |
Surface finish | E.Galvanized |
Head type | Hex flange washer head |
Application | Fixing the color steel tile of steel structure and can also be used for fixing the thin plate of simple building. |
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