The tip that comes with the soldering iron heats up to the tip. But with those tips and the same temperature, the solder won't melt. Above the tip, where the metal appears to be different, the solder melts. This problem made the tips worthless to me, so I'm returning them.
Continental Conti4x4Contact 265/60 R18 110H summer
23 Review
Hakko T18-BR02 Soldering Tip - T18 Series for Hakko FX-888/FX-8801 - Conical Shape - Bent 30 Degrees - R0.2 mm x 10.5 mm
12 Review
π₯ Whizzotech Solder Wire 60/40 Tin/Lead with Flux Rosin Core - 0.032 Inch Diameter for Electrical Soldering (4oz/100g/0.22lb)
13 Review
π₯ Tig Pen Rod Holder and Welding Finger Feeder by Dog River Tools - Maximize Your Welding Efficiency with our Feeder Pencil
12 Review