Skip to Content
Gofinch USA 0
Tools & Industrial Equipment Industrial Machinery Commercial Equipment & Machinery Construction & Building Machinery Fabrication Services Tools & Hardware Metals & Alloys Construction & Real Estate Rubber & Plastics Power Transmission Electrical Equipment & Supplies Chemicals Testing Instrument & Equipment Vehicle Accessories, Electronics & Tools Vehicle Parts & Accessories Material Handling
Tools & Industrial Equipment
Industrial Machinery
Commercial Equipment & Machinery
Construction & Building Machinery
Fabrication Services
Tools & Hardware
Metals & Alloys
Construction & Real Estate
Rubber & Plastics
Power Transmission
Electrical Equipment & Supplies
Chemicals
Testing Instrument & Equipment
Vehicle Accessories, Electronics & Tools
Vehicle Parts & Accessories
Material Handling
Products Request a quote My enquiries My orders Invoices
GOFINCH SUPPORT
How can we help?
Orders, sourcing, payments, delivery, and after-sales assistance.
Open Help Center
Your account
My enquiries Order status Returns and refunds Account details
Buying support
Secure payments Buyer protection Quality coordination Shipping and delivery
Talk to Gofinch
Start live chat Request a quotation Sourcing assistance After-sales support
Messages are open Choose Live chat to keep the current product attached to your conversation.

Browse

All products Enquiry list My enquiries Order List and checkout Tools & Industrial Equipment Industrial Machinery Commercial Equipment & Machinery Construction & Building Machinery Fabrication Services Tools & Hardware Metals & Alloys Construction & Real Estate Rubber & Plastics Power Transmission Electrical Equipment & Supplies Chemicals Testing Instrument & Equipment Vehicle Accessories, Electronics & Tools Vehicle Parts & Accessories Material Handling My account
Product video

HXLASER Protective Window 18x2 D20x3 D20-2 Protective Lens for Laser Welding Head Quartz Lens protection Silicon Laser Parts

Available for enquiry 0.0 · 0 reviews 10 sold
USD

$ 20.00 20.0 USD $ 20.00

Not Available For Sale

Minimum order quantity: 50 Units
  • Spare parts type
  • Wavelength
  • Power
  • Operating voltage
  • Laser type
  • Accessory Type
  • Key selling points
  • Warranty
  • Condition
  • Place of origin
  • Weight (kg)
  • Substrate
  • Coating material
  • Shape
  • Tolerance
  • Thickness Tolerance
  • Chamfer/Bevel
  • Transmittance
  • Lens Finish
  • Damage Threshold
  • Laser wavelength
  • Selling Units
  • Single package size
  • Single gross weight
  • Model number

This combination is unavailable.

Key attributes

View all
Spare parts type
fiber laser protective lens
Wavelength
1030-1080 nm
Power
6kw(8.05hp), 3KW(4.02hp)
Operating voltage
Dc 24V
Laser type
Fiber Laser
Accessory Type
Fiber Alignment Tool
Product description

Product details

Standard Size 18*2mm, 20*2mm 20*3mm

Widely used for fiber laser welding heads, perfect replacement for handheld & oscillating welding guns.

Wide Power Range 3kW~6kW

Suitable for 3kW, 6kW fiber laser welders, stable performance under high power & high temperature.

High-Purity Fused Silica

Made of premium JGS1 quartz, high temperature resistance, low expansion, ensures long service life and stable beam quality.

High Transmittance & Damage Threshold

Double-side coating @1064nm, transmittance ≥99.9%, low energy loss, effectively resist laser damage.

Effective Protection in Metal Working

Blocks splash, dust and oil, prevents damage to collimating and focusing lenses, reduces downtime and maintenance cost.

Frequently asked questions

You only need to confirm 2 points: Diameter * Thickness, (e.g. 18*2, 27.9*4.1,30*5,37*7) Power level: Low / Medium / High power Or you can tell us about brand and model of laser cutting/welding head

Obvious signs: Surface has burn spots, scratches, foggy film Cutting quality gets worse Laser power drops, frequent alarms Lens cracks or bursts

Lifespan varies by working environment and frequency of use: Clean condition will prolong the usage time. Dirty, high spatter, oil mist circumstances, the lifespan may be shortened

Yes, our lenses are standard size, direct replacement for brand. Same size and power = plug and play.

Yes, we support bulk orders, OEM, ODM, private label. Larger quantity brings better price.

All products are 100% tested before shipment. We offer after-sales service for quality problems, replacement or refund is supported if defective.
Description images
Product detail
Product detail
Product detail
Product detail
Packaging and fulfilment
  • Step 1

    Payment and order readiness

    Minimum order: 50 Units

    Payment terms, specifications, and order details are confirmed before preparation begins.

  • Step 2

    Preparation

    Lead time will be confirmed with your quotation.

  • Step 3

    Packaging and dispatch

    Standard · Estimated delivery: Sep 11–Sep 21 (9–19 days)

    Final packing, freight, and delivery dates are confirmed before dispatch.

Technical specifications
Other details 25 fields
Spare parts type
fiber laser protective lens
Wavelength
1030-1080 nm
Power
6kw(8.05hp), 3KW(4.02hp)
Operating voltage
Dc 24V
Laser type
Fiber Laser
Accessory Type
Fiber Alignment Tool
Key selling points
Competitive Price
Warranty
Unavailable
Condition
New
Place of origin
China, Jiangsu
Weight (kg)
0.03
Substrate
high purity fused silica JGS1
Coating material
HFO2/Sio2
Shape
circular/customized
Tolerance
±0.1mm
Thickness Tolerance
yellow/blue/red/customized
Chamfer/Bevel
0.5x45°, fine ground
Transmittance
99.98%
Lens Finish
40-20/20-10
Damage Threshold
25J/cm2
Laser wavelength
1064 nm 635 nm 1030-1080 nm
Selling Units
Single item
Single package size
5X5X1.5 cm
Single gross weight
0.03 kg
Model number
D18*2mm-3kw, D18*2mm-6kw, D20*2mm-3kw, D20*2mm-6kw, D20*3mm-3kw, D20*3mm-6kw, Others-contact-us
Minimum order
50 Units

Customer reviews

0.0 (0)

No reviews yet

Be the first customer to review this product.

Write a review

No country found

Up to 5 JPG, PNG or WebP images; 5 MB each.

Request custom sourcing

Can’t find what you’re looking for? Share the requirement and our sourcing team will find the right industrial product.

Best-match productsCompetitive quotesFast turnaround
Request custom sourcing

Upload your requirements

Upload your BOM, BOE, RFQ or requirement list and get one consolidated response.

XLS, XLSX, CSV, PDF, DOC or images · Max 10MB each or drag and drop
XLSX
Files are sent securely.