Hgnova 10 Pcs Laser Protective Lens D20*3mm for 1000-3000w 4 in 1 Handheld Laser Welding Machine, 1064nm Universal Laser Welding Lens Laser Protective Window Lens

Hgnova 10 Pcs Laser Protective Lens D20*3mm for 1000-3000w 4 in 1 Handheld Laser Welding Machine, 1064nm Universal Laser Welding Lens Laser Protective Window Lens

• Size - Diameter: 20mm/0.78"; Thickness: 3mm/0.12". Transmittance: 99.99% Suitable for laser welding gun or fiber laser welding cleaning machine
• Featuring dual-sided coating, our laser welding lenses resist spatter adhesion on both surfaces, extending service life and durability
• This laser cutter protective lens adopts humanized 0.5mm 45 degree protective full angle design, easy to apply, not easy to hurt hands, compatible with 4 in 1 Integrated fiber laser welding
• Note：Surface contact during installation must be avoided. Contaminants transferred from skin contact will carbonize under laser exposure, compromising optical performance and service life
• Convenient 10-Pack: Includes 10 premium protective lenses. Each lens is individually wrapped in anti-scratch packaging to prevent damage and ensure cleanliness, providing ready-to-use spares that minimize costly machine downtime