Ultra Cylindrical Trim Head Screw, Twister Thread, Type 17

Ultra cylindrical trim head helps perfect countersunk and invisible appearance for decking and ceiling application.

Material Carbon steel 、Stainless steel

Application: Wood、Chipboard、Grooved wood panel

Size: M3 - M8、#5 - 5/16

Length: 16 - 400mm、5/8" - 15 3/4"

We can provide a customized service, including a variety of head, head recess, thread, point styles and surface treatment types, to solve you problems.

  • Surface Treatment
  • Screw Drivers

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Size: M3 - M8、#5 - 5/16

Product Description


  1. Ultra Cylindrical Trim Head is an innovative head model offers the utmost invisible finished in the material especially for deck and ceiling application.
  2. Ultra trim head screw is countersunk easily, and avoid the splitting of wood while installation.
  3. Patent Twister Thread offers fast and easy installation for wood material and also reduces the wood split even close to the edge.
  4. Type 17 Sharp Point helps remove wood clips when drilling, reduces torsion.



Ultra Cylindrical Trim Head Screw

The head diameter of screw is maximum 4.0 mm, which is available for various wooden grooved panel even with small gap. The grooved panels are particularly used on the wall, ceiling and furniture decor. Therefore, ultra trim head is perfectly showing invisibility between gaping place and demonstrate good appearance.

Easy & Quick

Screw recess is made by specification Star T10. It's available to produce by our patent hex-star recess to experience tight and fit woodworking.   


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