Fixings and innovative solutions for pros at CELO

Chipboard screw VELOX® SIT blue zinc plated, full thread

High Performance from tip to head


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.
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Approved product for your safety

Largely improved working comfort; the conical recess centers the screw (no tumbling) and sticks on the bit|Patented tip thread area

Long-lasting SIT® bit

No damage to the screw head/zinc coating

Perfect power transfer

SIT® recess (=AW recess from Würth)

Underhead milling ribs and underhead milling pockets: perfect for wood and metal fittings because of flush fitting

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

Only one bit for four screw diameters- you save time and costs!

Galvanized; blue passivated

Especially well-suited for nylon plugs

Patented tthread reduces splitting as well as ­setting torque, which provides a perfect appearance and a longer battery life

Further specifications

  • Wood doors
  • Wood windows
  • Fittings
  • Chairs
  • Wood frames
  • Wood furniture

Area of application

  • Chipboard



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