M3 flat head black oxide finish steel thumb screws

The surface treatment of steel thumb screws is black oxide. Both material and coating are RoHS compliant.


  • CertificationISO9001:2015
  • Processing MethodsNC Lathe
  • Surface TreatmentBlack oxide
  • MaterialSteel

M3 flat head black oxide finish steel thumb screws


Steel Thumb Screw:

The products can be customized according to customer's requirements.

The screw can remain in place even if it is not screwed to the end. Extra large head with straight knurl provides additional grip for manual tightening.Black oxide coating helps reduce friction and provides mild corrosion resistance, while steel offers strength


Features:

  • 1.Knurled Head Screw have a round, diamond knurled head or straight knurled head.
  • 2.Metric Thumb Screw can be easily assembled and disassembled without tools.
  • 3.Straight knurling provides extra grip for manual tightening.


Packing:

PE bag+carton or customer packaging is accepted


Shipping Method:

By Air, By Sea, International Express, such as DHL, UPS, FedEX, TNT.


Thumb Screw technical drawing:


Thumb Screw Nut




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