Fixings and innovative solutions for pros at CELO

Chipboard screw VELOX SP

High Performance screw from tip to head. Special SIT system getting a perfect stick fit between bit and recess


CELO chipboard screw VELOX SIT with Eropean Technical Approval for use in timber construction. With the special underhead milling ribs the screw is optimal suitable for wood because of flush fitting and fewer wood shavings on surface. The SIT recess guarantees a perfect power transfer and a long-lasting SIT bit. Due the conial recess the screw will be centerd (no tumbling) and sticks on the bit, so you get large improved working comfort. Only one bit for four screw diameters is necessary. TX bits can also be used, but without the mentioned advantages. The patented tip thread area for no splitting and reducing installation torque. This is for a flushing screwing and a longer battery life. VELOX SIT is sliding coated for a additional torque reducing.
Product overview

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SIT® recess (=AW recess from Würth)

Perfect power transfer

Long-lasting SIT bit

No damage to the screw head/zinc coating

Large improved working comfort the conical recess centers the screw (no tumbling) and sticks on the bit

1 bit (SIT 20) fits all sizes from Ø3,5 to 5,0

Patented tip thread area

Underhead milling ribs for flush finishing in wood

Approved product for your safety

Further specifications

  • Wood furniture
  • Wood doors
  • Wood windows
  • Fttings
  • Chair
  • Wood frames

Areas of application

  • Wood
  • Chipboard
  • Nylon plugs


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