JZ3 Stainless Steel Solar Fastener, 8mm dia x 80mm 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 JZ3 self-taping screw 5/16″ (8.0mm) x L.
SKU SE-EJOT-MR-7 Category


EJOT offers JZ3 stainless steel solar fasteners. Engineered for easy and rapid anchoring into metal substructures, the fastener forms its own female thread providing a tolerance-free connection in substructures of US steel gauge 16 or thicker (≥1.5mm). Available with standard sealing element FZD.

The JZ3’s specialised stainless steel thread design gives maximum fastening performance in steel substructures. It can be used with a wall thickness from about 1.5mm (0.059” / gauge 16 (USG).

Additional information

Weight 0.18 lbs
Dimensions 7.25 × 0.75 × 0.75 in