Product overview

ITWCP Spit Tapcon DOME Concrete Screw is a self tapping screw with dome head for fastening into cracked & non concrete. High performance low profile concrete screw anchor ideal for installing channel systems.
Popular Part Numbers: 058783, 058784

SUBSTRATES: Cracked & Non-cracked Concrete, Hollow Core Concrete Slab

Spit Tapcon DOME Features & Benefits

  • Large diameter 17 mm head to cover the channel systems slot
  • ETA Option 1 approved anchor for cracked & non-cracked concrete
  • Fire rated up to 2 hours
  • New patented thread design provides easy setting and increased loads
  • Low profile dome allows for channel nut to move with the channel when fixed
  • Torx drive for easy installation between channel walls


  • MEP
  • Signage and lighting
  • HVAC
  • Fire protection
  • Channel
  • Ventilation rails
  • Suspended ceiling
  • Window brackets
  • Metal connectors

ITWCP Spit Tapcon DOME Approvals

ITW Tapcon Concrete Screw CE 058770, 058773, 058776


The SPIT Tapcon RANGE is available in 58 different versions which can be offered a suitable solution for every situation. They are easy to fit, give high performance, and can be removed completely after use. Another advantage is that their drill diameter is small, and they can be set close to the edge and to each other.

In Tapcon range there are several versions available: type HFL, PAN, DOME, ROD and type CSK. The XTREM range has a seismic approval, a fixed washer and the entire HFL range has a special aluminum-zinc coating (zinc-flake) which excellent corrosion resistance (> 500h salt spray test).

TAPCON Screws can be used for various applications such as push and pull bars (HFL plus is reusable), curtain walls, installation applications, storage racks,  wooden structures, cable systems, roof structures, frame and component mounts etc.

058783, 058784

FREE Technical Advisory Service
E-Tech Components UK Ltd maintains a free technical advisory service.
Contact us for enquiries concerning this and all other products: +44 (0) 1744 762 929

Technical Data

Product Code Diameter Anchor Anchor Length Min Drilling
Min Embedment
Max Fixing
Recess Size Box Quantity
058783 6 mm 40 mm 40 mm 35 mm 5 mm TX 30 100
058784 6 mm 60 mm 40 mm 35 mm 15 mm TX 30 100

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