Self Driling Screw

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Countersunk drill tail is a special kind of drill bit. Its head has a large diameter and is shaped like a flat circle, while the tail is an elongated cylindrical shape.

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Self Driling Screw

Hexagonal inner stainless steel drill tail screw

The inner hexagonal stainless steel drill tail self-drilling screw, the hexagonal diameter and thickness of the nut are smooth on the surface, and the product threads meet the requirements of the national clothing standard and pass the formal inspection.

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Self Driling Screw

Pan head drill tail self-tapping

The end wire of the cross pan head series can be straightened, tapped, and tightened directly on the setting material and the base material, greatly reducing the construction time.

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Self Driling Screw

Cross large flat head self-tapping screw

The screw can be directly drilled, tapped and locked on the setting material and basic material according to different head types, which greatly saves construction time.

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Self Driling Screw

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