{"product_id":"protective-window-18-x-2mm-4kw-fused-silica-laser-welding-consumable-sup-wsx-raytools-bodor-hsg-hans","title":"18 x 2mm Fibre Laser Protective Window — 4kW Fused Silica","description":"\u003cp\u003e\u003cstrong\u003eRated to 4kW — genuine fused silica, not soda-lime glass.\u003c\/strong\u003e This 18 x 2mm protective window (also written D18x2, D18*2 or D18T2) is built for continuous high-power fibre laser welding. Its precision dual-sided anti-reflective coating protects your focusing optics and keeps weld quality consistent shift after shift. Also known as a protective lens, protection lens or cover slide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 18mm\u003c\/li\u003e\n\u003cli\u003eThickness: 2mm\u003c\/li\u003e\n\u003cli\u003eSize notations: 18x2, 18*2, D18x2, D18*2, D18T2\u003c\/li\u003e\n\u003cli\u003eMaterial: Fused silica (quartz)\u003c\/li\u003e\n\u003cli\u003ePower rating: Up to 4kW\u003c\/li\u003e\n\u003cli\u003eCoating: Dual-sided anti-reflective for 1064nm fibre laser wavelength\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible handheld \u0026amp; welding heads\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSUP welding heads: SUP 20S \/ SUP20S, SUP 20T \/ SUP20T, SUP 21S \/ SUP21S, SUP 21T \/ SUP21T, SUP 22C \/ SUP22C, SUP 23S \/ SUP23S, SUP 23T \/ SUP23T\u003c\/li\u003e\n\u003cli\u003eWSX D18T2 welding head\u003c\/li\u003e\n\u003cli\u003eRaytools BW101 welding head\u003c\/li\u003e\n\u003cli\u003eCQWY and Qilin handheld welding heads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible machine brands\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBodor, HSG, DNE, Han's, G. Weike and Quick handheld laser welders\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eNot sure if it fits your head? Send us your machine or head model and we'll confirm before you buy. Shipped fast Australia-wide from our Brisbane workshop.\u003c\/p\u003e","brand":"DK Machine Tech","offers":[{"title":"1","offer_id":67643764211811,"sku":"PW0001","price":9.95,"currency_code":"AUD","in_stock":true},{"title":"10","offer_id":67643764244579,"sku":"PW0001-10","price":89.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/8508\/2723\/files\/ProtectiveWindow1_03dcba5b-6782-4de6-ab8f-9ffcf527799b.png?v=1750125978","url":"https:\/\/dkmachinetech.com\/products\/protective-window-18-x-2mm-4kw-fused-silica-laser-welding-consumable-sup-wsx-raytools-bodor-hsg-hans","provider":"DK Machine Tech","version":"1.0","type":"link"}