Bi-metal Wing Screw

《Feature & Benefits》

Bi-Metal Self-Drilling Wing Teks Screws
The Best Solution for Fixing Wood to Steel Framing!

The bi-metal self-drilling wing screws are designed for fixing wood to steel farming. The wings enlarge the hole in the material while being fastened, so that the threaded portion of the screw can pass through without binding. The wings break off when they hit steel, allowing the threads to fully engage.

Easy to Use Self-drill into 3~12mm steel rails, no pre-drill needed 
Super Fast Drilling, threading, and fastening just in 1 action!!
Great Safety Wings prevent jacking action and thread engagement in fasedned wood while drilling

High Quality A2/A4 stainless steel shank and alloy steel tip with protective coating for excellentcorrosion resistance.

Sheh Kai Precision was Bi-Metal Window Screws Manufacturers

Sheh Kai Precision Co., Ltd. was founded in 1992 and specializes in Bi-Metal Window Screws, Bi-metal concrete screws, Bi-Metal Concrete Screw Anchor, Bi-Metal Self-Drilling screws, Bi-metal screws. And we're strict to our quality of product standard in order to make customer have good right and also provide excellent service to our customer. We guarantee we must make you satisfy with our product and service. Therefore, if you have any question about our Carriage Bolt, you can tell us. We will give you early reply. Furthermore, we look forward to searching a good business partner. If you are interested, please feel free to contact with us or you can email to us.