Cylindrical Trim Head Screw, Twister Thread, Type 17

Small cylinder head can fix invisible in the material easily and reduces the wood split with patent twister thread design.

Material Carbon steel 、Stainless steel

Application: Wood、Chipboard、Composite、PVC、Grooved 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. Cylindrical Trim Head helps to fix invisible in the material, be countersunk easily, and reduces the splitting of wood.
  2. U Thread enlarges hole for countersunk head and reduces splitting.
  3. Patent Twister Thread low driving torque and high holding power, also reduces the wood split even close to the edge.
  4. Type 17 Sharp Point helps remove wood clips when drilling, reduces torsion.
  5. Can be Stainless steel with high protection against corrosion for outdoor.


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