fischer Chipboard screw FSPII 4.0 x 25 countersunk head blue zinc plated full thread TX star recess

Chipboard screws FSP II with countersunk head, TX star recess drive, and full thread

Art.-No. 551134
Top Features
  • Lasting safety thanks to CE conformity.
  • Attractive surface appearance thanks to countersunk head.
  • Full thread offers increased extraction resistance.
  • Reliably applicable in numerous wood building materials.

Product Description

The fischer FSP II CTF BC is a zinc-plated, blue-passivated chipboard screw with a countersunk head, TX star recess seat, and full thread. The cost-effective chipboard screw is suitable for processing in numerous types of wood. The countersunk head with TX star recess drive guarantees top force transmission with maximum bit stability for flush screwing operations. The full thread offers increased extraction resistance thanks to the longer thread. CE conformity ensures added safety.
  • The chipboard screws can be used universally in all wooden materials.
  • The screws offer lasting safety thanks to their CE conformity.
  • The countersunk head ensures an appealing surface appearance.
  • The full thread offers increased extraction resistance thanks to the longer thread.

Application and Permission

  • General wood joints
  • Plankings
  • Door and metal fittings
  • Skirting
  • Finger tightening elements
  • Wooden fences
  • Typically used for wood-wood connections
Building materials
  • Cross-laminated timber
  • Glued-laminated timber
  • Plywood
  • Laminated veneer plywood panels (e.g. Multiplex)
  • Soft woods
  • Hard woods (pre-drilled)
  • Chipboards and oriented strand boards (e.g. OSB panels)
  • Solid wood panels
  • And many other wood materials
You can find detailed information on building materials in the registration document.


  • DoP W0002
For Details see corresponding Documents

Assembly Instruction

  • Screws with a countersunk head can be flush mounted with the wood.
  • The chipboard screws with full thread offer a higher extraction resistance due to the longer thread.

Technical Data

Technical Data

Diameter 4.0 [mm]
Length 25 [mm]
Amount 1.000 [pcs.]
Head-Ø 8.0 [mm]
Drive TX20
Full thread length 19.5 [mm]
Packaging Folding box
GTIN (EAN-Code) 4048962283044

Documents for Downloading


Title Type Created Valid Till
DOP - Declaration of Performance (PDF, 313 KB) Declaration of Performance DoP W0002 2/25/2021