Self Drilling Screw


Self-Drilling Screw is a general name rather than a certain type of screw. A common mistake that the general public make is mixing up Self-Drilling Screw with Self-Tapping Screws.

Self-Drilling Screws have only one major characteristic that makes it unique, which is the point. The Self-Drilling point on the screw is made during the point forming process in facilities, which Oukailuo Hardware closely supervises.

Self-Drilling Screws are made to penetrate thin to thick types of sheet metal or metal blocks.

Depending on the size and length of the screw, the drill point can range from #1 to #6 drill point. The larger the points size the longer the screw to make it capable to drill through the thicker block of metal. 

These Self-Drilling Screws are able to drill metal-to-metal or wood-to-metal.  Some Self-Drilling Screws also come with wings, but no, they do not fly. 

These wings sit right on top of the drill points, which acts as diggers digging through the wood above the metal. It helps creates larger areas for wood and metal burrs to be burrowed out. 
Before the wings reach the metal layer, it snaps off making it easier to be drilled through metal. Ray Fu Enterprise is also able to provide special types of Self Drilling Screws, such as the blade cut points for heavy-duty drillings.



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Screw Manufacturers, Bolt Manufacturers, Nut Manufacturers - Oukailuo
No.26 Zhijiang Road, Lanjiang Street, Yuyao City, Zhejiang Province, China 315400
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Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999, has been a leading manufacturer and supplier of fasteners. Our main export market is North America, Europe, Oceania, Korea and so on.
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