Product overview

ITWCP Spit Tapcon HFL XTREM A4 Concrete Screw is a stainless steel self tapping screw with hexagonal head for fastening into cracked & non -cracked concrete & for seismic applications. Stainless steel, ETA and seismic application approved concrete anchor screw, that reduces installation time and edge and spacing distance.
Popular Part Numbers: 058810, 058812

SUBSTRATES: Cracked & Non-cracked Concrete

Spit Tapcon HFL XTREM A4 Features & Benefits

  • ETA Option 1 approved anchor for cracked & non -cracked concrete
  • Stainless steel A4 anchor for external applications
  • TAPCON XTREM A4 Concrete Screw range approved for C1 seismic applications
  • Fire approval
  • Longer effective thread allows highest performance within the market
  • New patented thread design provides easy setting
  • 500hrs salt spray zinc flake coating
  • Adjustable anchor for re-alignment without loss of performance
  • Removable anchor allows for temporary fixings


  • Formwork
  • Mechanical and electrical
  • Façade and curtain walls
  • Demolition
  • Safety barriers and hand rails
  • Security gates and fencing
  • Racking and storage
  • Machinery and equipment
  • Stadium seating
  • Signage and lighting
  • Infrastructure, energy/road/rail
  • HVAC

ITWCP Spit Tapcon HFL XTREM A4 Approvals

ITW Tapcon Concrete Screw CE csk hfl xtrem a4 ITW Tapcon Concrete Screw ETA csk hfl xtrem a4 058740, 058746 ITW HFL XTREM A4 Concrete Screw 058810, 058812 058740, 058746, 058810, 058812


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.

058810, 058812

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
Box Quantity
058809 8 mm 70 mm 55 mm 45 mm 25 mm 50
058810 8 mm 80 mm 55 mm 45 mm 35 mm 50
058811 10 mm 90 mm 65 mm 55 mm 35 mm 50
058812 10 mm 100 mm 65 mm 55 mm 45 mm 50
058813 10 mm 120 mm 65 mm 55 mm 65 mm 50

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