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Self-tapping screw mushroom head BTN

Self-tapping screw wider head and SIT recess

Self-tapping screw mushroom head BTN Zoom

Description

The self-tapping screw BTN mushroom 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 centres the screwing and allows to keep the screw fixed to the recess facilitating its installation. Made of high-quality steel, It is available in blue zinc plated.
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The SIT recess allows a perfect power transfer to the screw thanks to the conial form

Can also be used with TX-bits if no SIT®-bit is available

Its conical inner shape centers the screwing and allows to keep the screw fixed to the screw bit facilitating its installation

Selftapping screw wider head for oversized holes

Further specifications:

  • Fittings
  • Metal profile fittings
  • Fittings in aluminium profiles
  • Aluminium doors
  • Metal door
  • Garage metal doors

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