4,8-6,0 / max. 2x1,0 - DRILLER® BI-METAL chipless stitching screws for steel sheets overlapping

Type: WKFT (HS2)
Technical parameters
Screw material  bimetallic fastener: AISI 304 (A2) stainless steel product with hardened carbon steel drilling point
Substructure  steel
Thread diameter  4,8 mm
6,0 mm
Drilling capacity (steel)  2x0,5 - 2x1,0 mm
Screw head  hexagonal 
Hex nutsetter  8 mm [5/16”]
Installation speed (rpm.)  max. 2500
ETADrillerBiMetA2
Available variants
Features and benefits
  • Drilling capacity through steel of thickness up to 2x 1,0 mm
  • DRILLER® brand product for professional use  
  • AISI 304 (A2) stainless steel with high corrosion resistance in environments up to C5 corrosivity category
  • Effective drilling capacity assured by hardened carbon steel drilling point
  • Sharp, conical geometry of thread allows non-skid application
  • Fastening without swarf
  • Installation with 8 mm hex nutsetter
  • Reaction to fire: meets the requirements of class A1 acc. to EC 96/603/EC
Application
  • Fast, chipless stitching of trapezoidal steel sheets
  • Optimal for roof installations of solar & PV panels
  • Recommended for environments with C1–C5 corrosivity categories acc. to EN ISO 12944-2
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Product variants

Size d x L (mm)
Drilling capacity Σti (mm) steel
Hexagonal nutsetter
Unit packaging (pcs)
Outer carton (pcs)
INDEX
4,8 x 19 2×0,5 - 2×1 8 500 4 000 17019T-BI
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6,0 x 25 2×0,5 - 2×1 8 500 2 000 1760025T-BI
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