uxcell Square Nuts, M3x8mmx2mm Yellow Zinc Plated Metric Coarse Thread Assortment Kit, 50 Pcs M3x8mm(L)x2mm(H) Color:Yellow and more 2" roll lock

and more 2" roll lock discs should be used with a 2-inch mandrel

cleaner surface

Dixon Valve TTB75 PTFE Industrial Sealant Tape

your extruder grinding the tube end

do not connect it backwards

uxcell Square Nuts, M3x8mmx2mm Yellow Zinc Plated Metric Coarse Thread Assortment Kit, 50 Pcs M3x8mm(L)x2mm(H) Color:Yellow and more 2" roll lockuxcell Square Nuts, M3x8mmx2mm Yellow Zinc Plated Metric Coarse Thread Assortment Kit, 50 Pcs Made of carbon steel, yellow zinc plated finished, corrosion resistant and durable to use. Square head, female threaded inside. Widely used with fasteners for industrial machine, Allow your works to accomplish work faster and more efficient. Specification: Material: Carbon SteelFinish: Yellow zinc platedThread Size: M3x0. 5mmEdge width: 8mm 0. 31"Height: 2mm