3D printer all-metal 3DM6 threaded copper nozzle 0.4mm/ 3mm consumables
Red Head 12V Short range 0.4mm/1.75mm Temperature Resistant RepRap full metal J-Head e3d 0.4mm/1.75mm
Shank diameter 3.175MM Micro pure alloy tungsten steel drill bit circuit board PCB fixed shank drill bit set 0.3-1.2MM
PCB engraving knife 3.175mm CNC milling cutter 10 degrees 0.1mm sword-shaped V-shaped alloy cutting knife tool head 1