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Aftermarket 80 mm scale tube for SUP (Chaoqiang Weiye) SUP20S, SUP20T, SUP21T, SUP23S and SUP23T handheld welding guns (M16 nozzles). The scale tube is the stainless steel tube between the gun and the copper nozzle. It screws into the front of the gun, the nozzle screws onto its end, and the engraved scale sets how far the nozzle sits from the focus point.
FT80 is 10 mm longer than the standard FT70, for a little more reach.
Stainless steel, 80 mm long, M16 thread, 12 mm tube diameter, with the scale marked in millimetres either side of zero. Sold singly or in packs of 5.
| Length | 80 mm |
| Thread | M16 |
| Tube Diameter | 12 mm |
| Material | Stainless steel, engraved focus scale |
| SUP Code | FT80 |
| Fits | SUP (Chaoqiang Weiye) SUP20S, SUP20T, SUP21T, SUP23S and SUP23T handheld welding guns (M16 nozzles) |
| Pack Options | 1 or 5 tubes |
Handheld welding guns
Check the size against the part you are replacing.
| Tube | Specification | Fits | SPM Part Number(OEM no. where one exists) |
|---|---|---|---|
| SUP FT80, 80 mm, M16 | 80 mm long, M16 thread, 12 mm tube | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T | FT80(SPM-LAS-2195) |
| Tube | Fits |
|---|---|
| SUP FT70, 70 mm, M16 | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T |
| SUP FT107, 107 mm, M16 | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T |
| SUP FT125, 125 mm, M16 | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T |
| Qilin anti-splash, 65 mm, M16 | Qilin handheld (anti-splash nozzles) |
| Qilin standard, 73 mm, M10 | Qilin handheld (M10 nozzles) |
Setting focus position
Screw the nozzle along the scale to move the focus above or below the surface. Zero is the focus point; set it negative for deeper penetration on thick joints and positive for a wider, softer weld on thin sheet.
Damaged threads or scale
Spatter, knocks and over tightening wear the thread and the engraved scale. A tube that no longer holds the nozzle square gives an uneven weld.
Spare for each gun
Keeping a spare tube means a crossed thread does not stop the job. The 5 pack covers a shop with several guns.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| SS Laser Solutions (GBP 15 ex VAT) | USD 19.05 | 8 Oct 2026 |
| eBay, aftermarket seller | USD 39.22 | 8 Oct 2026 |
| Spare Part Mart | USD 4.64 | Today |
Our price of USD 4.64 is 76% to 88% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
It fits SUP (Chaoqiang Weiye) SUP20S, SUP20T, SUP21T, SUP23S and SUP23T handheld welding guns (M16 nozzles). Check the tube on your gun: 80 mm long with a M16 thread.
No. It is an aftermarket tube made to the same length and thread. FT80 is the SUP length code, given so you can match your tube.
No. The nozzles that fit your gun now fit this tube.
Yes. Shipping options and costs for your country are shown at checkout.
Prices depend on your postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
