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Hex self drilling screws can vary – the smaller screws are used in applications like fixing thin gauge metals and fixing metal to wood. The larger screws are used in roofing and other industries which require self-drilling through tough metals. Our screws come in stainless steel, alloy steel, carbon steel, and other materials that prevent corrosion. If the hex head self-drilling screws are used in extremely hard materials, it is advised to use them after a pilot hole has been drilled.

【Specifications】
●Point Type: Self Drilling
●Color: white / grey / brown / green / ivoty / Red / Blue / Orange Red / others
●Thread Type: coarse / Fine / Wing Teks
●Screw Length: 9.5mm~127mm
●Diameter: m3.5 / m3.9 / m4.2 / m4.8 / m5.5 / m6.3
●Finish: Black / Grey Phosphated,Yellow / Blue White Zinc
●Packing: Small box or bulk in carton with or without pallet
●Service: OEM/ODM is accepted

Today let us talk about whether self drilling screws better?
In the world of fasteners, the usual answer for which is better comes down almost entirely to the situation the fastener is being used for. From a time saving point of view, a self drilling screw is the better choice because it can eliminate the need for a drill bit making installations a one step process.
According to the use of hex self drilling screw, the size of washer requirement are different, it can be divided into large washer, small washer. Under the washer, it always has plat bottom like this, also there will be special treatment. Such as we made a circular bottom according to the customer needs.
Hex drilling screw always collocate with the washer. like PVC washer and EPDM washer or the rubber washer etc. If you have the inquiry of hex drilling screw, please sent to us and we will provide the professional advice to you according to your requirement.

Please browse through our variety of drywall screws and fasteners in our official website and choose the type you need in the size, length and quantity needed.

Tianjin Huazhen Fastener Co.,Ltd
Add: Unit 709, Yinli Center, No.111 South Youyi Road, Xiqing District 300385, Tianjin,China

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