Home / Shop/ KKZ A2 · Concealed-head stainless hardwood decking screw
Rothoblaas KKZ A2 AISI304 concealed cylindrical-head decking screw
Supplied to order

Rothoblaas

KKZ A2 · Concealed-head stainless hardwood decking screw

Product code: KKZ550
£53.00 ex VAT · 200 per box
£63.60 inc VAT
£0.27 per unit
Total: £53.00 ex VAT
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Rothoblaas KKZ A2 is a concealed-head decking screw in A2 / AISI304 stainless steel for fixing hardwood decking and timber façade boards outdoors. Its small cylindrical head gives a discreet finish, with standard stainless steel and antique-burnished bronze finishes available.

  • Sword-shaped tip designed for dense hardwoods
  • Double thread with a larger-diameter right-hand under-head thread for a secure grip between timber elements
  • A2 austenitic stainless steel (AISI304, CRC II) for outdoor use
  • Suitable for timber boards below 780 kg/m³ without pre-drilling and below 1240 kg/m³ with pre-drilling
  • WPC boards require pre-drilling. For high-density timber, pre-drill to suit the wood species; the specified pilot hole diameter is 3.5mm
  • CE marked to EN 14592
  • Drive type: TX25, bit included · Diameter: 5mm
  • Service class: SC1 to SC3 · Atmospheric corrosivity: C1 to C4 · Wood corrosivity: T1 to T4
  • Standard finish: 50, 60 and 70mm · Bronze finish: 50 and 60mm
  • Sold per box: 200 screws for 50 and 60mm lengths; 100 screws for 70mm

Price shown is per box. Select finish and size to see pack quantity and price.

Material
A2 / AISI304 stainless steel (CRC II)
Diameter
5 mm
Lengths
50, 60, 70 mm (bronze: 50, 60 mm)
Drive
TX25, bit included
Head diameter
6.8 mm
Pilot hole
3.5 mm, subject to timber species
Service class
SC1–SC3
Atmospheric corrosivity
C1–C4
Wood corrosivity
T1–T4
Standard
EN 14592
Box quantity
200 screws; 70 mm: 100 screws
Hardwood deckingTimber façade boardsWPC boards with pre-drillingOutdoor timber fixings
Technical datasheet
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View datasheet ↗
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All sizes in the KKZ A2 · Concealed-head stainless hardwood decking screw range

Search by code or size, set quantities, and add any sizes straight to your basket.
CodeFinishSizePack Price ex VAT Stock Order
KKZ550Stainless steel5 × 50 mm200 pcs £53.00To order
KKZ560Stainless steel5 × 60 mm200 pcs £56.96To order
KKZ570Stainless steel5 × 70 mm100 pcs £37.38To order
KKZB550Bronze5 × 50 mm200 pcs £65.50To order
KKZB560Bronze5 × 60 mm200 pcs £70.20To order
No sizes match your search.

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£53.00 KKZ550 · ex VAT
Need it faster? Email us before you order. We will check whether we can beat our standard lead time on your order, and what that would cost. info@timbasystems.com