Product overview

ITWCP Spit Tapcon CSK XTREM A4 Concrete Screw is a stainless steel self tapping screw with countersunk head for fastening into cracked & non -cracked concrete & for seismic applications. ETA Seismic Approved, fire rated, industry leading high performance concrete anchor.
Part Number: 058814, 058815

SUBSTRATES: Cracked & Non-cracked Concrete

Spit Tapcon CSK XTREM A4 Features & Benefits

  • Complete range ETA Option 1 can be used in cracked & non -cracked concrete
  • TAPCON XTREM range which can be used in C1 seismic zones
  • Fire approval
  • Stainless steel anchor for external conditions
  • Adjustable anchor for alignment situations when required without loss of performance
  • 3 anchoring depths for Ø 8 mm & Ø 10 mm


  • Trunking
  • Hanging Services From Ceiling or From Walls
  • Road Signs
  • Safety Barriers
  • Stadium Seating
  • M&E
  • Cable trays
  • Window Frames
  • Railings
  • HVAC
  • Facades
  • Canopies
  • Balconies

ITWCP Spit Tapcon CSK XTREM A4 Approvals

ITW Tapcon Concrete Screw CE 058770, 058773, 058776  ITW Tapcon CSK XTREM A4 Screw (058814, 058815) 058778 ITW CSK HFL XTREM A4 Concrete screw 058778, 058814, 058815


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.

058814, 058815

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
058814 8 mm 80 mm 55 mm 45 mm 35 mm TX 40 50 pcs
058815 10 mm 90 mm 65 mm 55 mm 35 mm TX 50 50 pcs


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