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05 Solar mounting systems · EN 1090

Bolts and screws

Hammer-head bolts, bolts, nuts and washers

Drill-free fixing with hammer-head bolts in the rail perforations. Lock nuts mandatory on connections subject to vibration.

Bolts and screws
Characteristics
  • M8Torque 14 – 18 N·m
  • M10Torque 28 – 35 N·m
  • M8 lock nut14 N·m max
Benefits
  • No drilling on site
  • Tightening torques given per reference
  • EPDM washer at the interface with the aluminium frame
Applications
  • Rail / fixing connection
  • Rail / rail connection
Scroll to see all columns
ReferenceDescriptionDimensionsMaterialTightening torque
BLT-M8-THM-A4M8 hammer-head bolt · A4 stainlessM8 × 25 – 60 mmA4-70 stainless14 – 18 N·m
BLT-M10-THM-A4M10 hammer-head bolt · A4 stainlessM10 × 25 – 80 mmA4-70 stainless28 – 35 N·m
BLT-M8-THM-GVM8 hammer-head bolt · galvanisedM8 × 25 – 60 mmGalvanised steel cl. 8.814 – 18 N·m
BLT-M10-HEX-A4M10 hex bolt · A4 stainlessM10 × 25 – 80 mmA4-80 stainless28 – 35 N·m
ECR-M8-BLKM8 lock nutM8A4 stainless / galvanised14 N·m max
RON-M8-EPDMM8 washer + EPDM sealID 8.4 mmStainless + EPDMAluminium frame interface

Lock nuts mandatory on connections subject to vibration (wind, trackers).

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