JA3 Stainless Steel Solar Fastener, 8mm dia x 130mm long Lag, 10mm dia x 50mm Stud

  • Internal SW5 hex drive used to drive the fastener through the roof panel into the substructure.
  • Adapter plates or L-feet for fastening the rail or racking system are mounted and secured by M10 lock nuts and washers.
  • FZD sealing washer below the precision-defined depth control stop.
  • EJOT JA3 self-taping screw 5/16″ (8.0mm) x L
SKU SE-EJOT-MR-4 Category


EJOT offers JA3 stainless steel solar fasteners. The JA3 solar fasteners for wood structures features a highly engineered stainless steel thread form, that minimizes radial forces and expansion of the wood of the purlins. Length variable to suit project. The JA3’s specialized thread design gives maximum fastening performance in softwood substructures.

Additional information

Weight 0.22 lbs
Dimensions 7.5 × 0.75 × 0.75 in