When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Gun ModelCompatible?SUP 20S✅ YESSUP 20T✅ YESSUP 21T / 21TF✅ YESSUP 23S✅ YESSUP 23T✅ YESSUP 33T✅ YES
Compatible with: SUP 20S / 20T / 21T / 23S / 23T / 33T
✔ Material: JGS1 Fused Silica (Quartz)
✔ Transmission: 99.5% at 1064nm
✔ Dimensions: 18 × 2 mm (D18T2)
✔ Coating: AR (anti-reflective), both sides
✔ Pack: 10 pieces
FITS YOUR GUN?
Direct replacement for SUP series handheld fiber laser welding guns. If you run a SUP 20S, 20T, 21T, 23S, 23T, or 33T — this is the correct lens.
WHY BUY A 10-PACK?
Protective lenses are your #1 consumable. They absorb spatter and protect your collimating lens from contamination. Most shops go through 2–4 per week under regular use. Stocking 10 means fewer reorders and no downtime waiting on parts.
SAVE vs. BUYING TWO 5-PACKS
Two individual 5-packs = $39.98. This 10-pack = $33.99. You save $6 and get it in one shipment.
WHAT\'S IN THE PACK?
10x protective lenses (18×2mm, D18T2)
Ready to install — no tools required
📦 SHIPPING: Same day from Burlingame, CA (orders by 2PM PST)
↩ RETURNS: 30-day hassle-free returns
Questions about compatibility? Message us — we respond within hours.
