BOCHU BOCI Laser Lower Protective Lens

Shop BOCHU BOCI lower protective lenses for BLT fiber laser cutting heads. The collection includes multiple diameters, thicknesses, power ranges and BOCHU part numbers for lower-window replacement. Compare the dimensions, laser power and matching cutting-head model on each product page.

Available Lower Protective Lens Sizes

This collection covers BOCHU BOCI lower protective lenses, also called lower protective windows, for BLT fiber laser cutting heads. Available products include multiple diameter and thickness combinations such as 25.4 × 4 mm, D34 × 5 mm and D37 × 7 mm configurations, with different power ranges and BOCHU part numbers.

How to Select a Lower Protective lens

Match the lens diameter, thickness, installation position, laser power range and original part number. A lens with the correct diameter but the wrong thickness specification may not fit the cartridge. When uncertain, provide a photo of the existing lens package, label or cutting-head nameplate for confirmation.