6,4 - DRILLER® hex washer flange head concrete screws, with anticorrosive coating

Type: WKSW SH PROTECT
Technical parameters
Screw material  hardened carbon steel
Corrosion protective coating  PROTECT 1000™
Substructure  concrete
Thread diameter  6,4 mm
Screw head  hexagonal enlarged washer head
Hex nutsetter 8 mm [5/16”]
Installation speed (rpm.)  max. 800
TechnOcenaDrillerProt1000FireRes
Features and benefits
  • DRILLER® brand product for professional use
  • Advanced corrosion protective coating PROTECT 1000™
  • The enlarged washer head increases the pressure surface of the fixed element
  • Screw thread dedicated to direct installation in concrete substructures
  • Installation with 8 mm hex nutsetter
  • Reaction to fire: meets the requirements of class A1 acc. to EC 96/603/EC
  • Fire resistance class R30 ÷ R120
Application
  • Fastening of metal members and sheeting to concrete substructures
  • Application in cracked and non-cracked concrete substrates (concrete class ≥ C20/25, EN 206+A1:2016)
  • Installation requires pre-drilling a hole in concrete
  • Recommended for environments with C1–C4 corrosivity categories acc. to EN ISO 12944-2

Product variants

Size d x L (mm)
Hexagonal nutsetter
Drill bit diameter (mm)
Unit packaging (pcs)
Outer carton (pcs)
INDEX
6,4 x 40 8 5 200 800 276440R
+
6,4 x 57 8 5 200 800 276457R
+
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DRILLER® self drilling, self tapping screws

Wide offer of trusted self drilling, self tapping screws with parameters confirmed by European Technical Approvals and ensured by detailed quality control. HAMAR® professional fasteners for reliable fixing.

self-drilling, self-tapping screws on a metal sheet background
P.H. HAMAR Sp.j. B. i H. Grzesiak
81-061 Gdynia, ul. Hutnicza 7, Poland
  • TEL.          +48 58 663 73 53

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REGON   190293799
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District Court Gdańsk-Północ in Gdańsk
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