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Home > Screws>Self-tapping and self-drilling screws>Self-drilling screws>Self-drilling screw mushroom head BTT

Self-drilling screw mushroom head BTT

Self-drilling screw wider head and SIT recess easier screwed

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Description

CELO's self-drilling screw BTT 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 centers 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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Selftapping screw wider head for oversized holes

The SIT recess allows a perfect screw transfer

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

Further specifications

  • Facades
  • Metal profiles
  • Fittings

Areas of application

  • Metal sheets

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