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Selfdrilling screw pan head SIT A85S

Selfdrilling screw pan head and SIT recess perfect fit


The CELO selfdrilling screw A85S countersunk head and SIT recess has the perfect fit between recess and screw for easy screwing. The SIT recess allows a perfect transmission of the tightening torque. Its conical inner shape centers the screwing and allows to keep the screw fixed to the recess facilitating its installation. Made of high quality steel and stainless steel A2, it is available in blue zinc plated.
Product overview

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The SIT recess allows a perfect fit for easy screw-in

Work effortlessly, it is not necessary to tighten axially on the screwdriver even with high tightening torques

Better torque, avoid stripped screw head and the bit screw wear less

The screw is perfectly fitted in the screw end and facilitates the installation in any position.

Further specifications

  • Fittings
  • Supporting
  • Sheet assembly
  • Metal doors
  • Metal profiles
  • Metal frames

Areas of application

  • Steel sheet
  • Aluminium



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