4,8 / max. 2x1,25 - Self drilling screws for fixing steel sheets to timber substructure

Type: WKF (H)
Technical parameters
Screw material  hardened carbon steel
Coating galvanized ≥ 12 µm 
Substructure  steel
timber
Thread diameter  4,8 mm
Drilling capacity (steel)  2x0,5 - 2x1,25 mm
Screw head  hexagonal 
Hex nutsetter  8 mm [5/16”]
Sealing washer  Ø 14 mm
galvanized/EPDM
Installation speed (rpm.)  max. 2500
Optional RAL palette colours  powder paint coating, max. 60 µm
 
ETARAL
Features and benefits
  • Drilling capacity through steel of thickness up to 2x 1,25 mm
  • Sharp & precise drilling point
  • Quick & efficient screw installation with 8 mm hex nutsetter
  • Steel/EPDM self vulcanizing washer for seal assured fixing
  • Reaction to fire: meets the requirements of class A1 acc. to EC 96/603/EC
Application
  • Fastening steel sheeting to timber substructures
  • Recommended for environments with C1–C2 corrosivity categories acc. to EN ISO 12944-2
  • Powder paint RAL coating allows fastener use in environments  with corrosivity category up to C3

Product variants

Size d x L (mm)
Drilling capacity Σti (mm) steel
Hexagonal nutsetter
Material
Washer diameter (mm)
Unit packaging (pcs)
Outer carton (pcs)
INDEX
4,8 x 20 2×0,5 - 2×1,25 8 galvanized 14 250 3 000 14020/0
+
4,8 x 20 2×0,5 - 2×1,25 8 RAL 14 250 3 000 14020/0-RAL
+
4,8 x 25 2×0,5 - 2×1,25 8 galvanized 14 250 3 000 14025/0
+
4,8 x 25 2×0,5 - 2×1,25 8 RAL 14 250 3 000 14025/0-RAL
+
4,8 x 28 2×0,5 - 2×1,25 8 galvanized 14 250 3 000 14028/0
+
4,8 x 28 2×0,5 - 2×1,25 8 RAL 14 250 3 000 14028/0-RAL
+
4,8 x 35 2×0,5 - 2×1,25 8 galvanized 14 250 2 000 14035/0
+
4,8 x 35 2×0,5 - 2×1,25 8 RAL 14 250 2 000 14035/0-RAL
+
4,8 x 45 2×0,5 - 2×1,25 8 galvanized 14 200 1 600 140045/0
+
4,8 x 45 2×0,5 - 2×1,25 8 RAL 14 200 1 600 140045/0-RAL
+
4,8 x 50 2×0,5 - 2×1,25 8 galvanized 14 200 1 600 140050/0
+
4,8 x 50 2×0,5 - 2×1,25 8 RAL 14 200 1 600 140050/0-RAL
+
4,8 x 60 2×0,5 - 2×1,25 8 galvanized 14 100 800 140060/0
+
4,8 x 60 2×0,5 - 2×1,25 8 RAL 14 100 800 140060/0-RAL
+
4,8 x 65 2×0,5 - 2×1,25 8 galvanized 14 100 800 140065/0
+
4,8 x 65 2×0,5 - 2×1,25 8 RAL 14 100 800 140065/0-RAL
+
4,8 x 75 2×0,5 - 2×1,25 8 galvanized 14 100 800 140075/0
+
4,8 x 75 2×0,5 - 2×1,25 8 RAL 14 100 800 140075/0-RAL
+
4,8 x 100 2×0,5 - 2×1,25 8 galvanized 14 50 400 140100/0
+
4,8 x 100 2×0,5 - 2×1,25 8 RAL 14 50 400 140100/0-RAL
+
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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
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REGON   190293799
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District Court Gdańsk-Północ in Gdańsk
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