27.9 x 4.1mm Fibre Laser Protective Window — Raytools Fit

$15.95

Genuine fused silica cover glass for Raytools BT and BM cutting heads. 27.9 mm diameter x 4.1 mm thick, built for continuous fibre laser cutting — real fused silica, not soda-lime glass. Shipped fast Australia-wide from our Brisbane workshop.

SKU: PW0004

Pack size: 1

1
10
Description

Genuine fused silica cover glass for Raytools BT and BM cutting heads. 27.9 mm diameter x 4.1 mm thick, built for continuous fibre laser cutting — real fused silica, not soda-lime glass.

It shields your focusing and collimating lenses from back-spatter and debris — cheap insurance against an expensive lens.

Specifications

  • Diameter: 27.9 mm — also written 27.9*4.1, D27.9x4.1, D27.9T4.1 and FS27.9x4.1
  • Thickness: 4.1 mm
  • Material: JGS1 fused silica, double-sided AR coated for 1064 nm
  • Power rating: up to 10 kW
  • Transmission: greater than 99.7%

Compatible cutting heads

Raytools: BT210, BT210S, BT220RC, BT240, BT240S, BM109 and BM111.

Raytools part number

Direct replacement for Raytools 211LCG0037 (D27.9 x 4.1 cover glass).

Not sure it fits your head? Send us your machine and head model and we'll confirm the exact window before you buy.

Shipped fast Australia-wide from our Brisbane workshop.

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