high-Tg hard PCB drill bit (UCH)
shank diameter, 3.175mm, overall length, 38.1mm, point angel, 130°， under-cut, used for drilling of common pcb boards, especially for HI-Tg board with supre hardness
high-Tg hard PCB drill bit (UCH)
Model: UCH
range: special for High-Tg PCB board, or other super hard materials.
total length: 38.1mm
shank diameter: 3.175mm
diameter range: 0.1, 0.15, 0.20, 0.25, 0.30, 0.35, 0.40, 0.45mm
flute length: 3.5, 4.5, 5.5, 7.0, 7.0mm
point angel: 130°
