Tools / Drill and Mill Bits

A tiny drill bit next to a United States quarter dollar coin for scale

If you've started designing your own PCBs in Eagle or KiCad and want to make your PCB a reality, you may end up with a CNC mill that can route out PCBs by cutting away the copper trace outlines. We initially ordered these end mills for our use with an Othermill but they will likely work great in a wide variety of precision CNC machines.

While we already carry PCB drill bits, end mills are slightly different.  Drill bits can only cut in an axial direction, meaning in line with the axis of the bit - or up and down on the PCB.  End mills can move in any direction so you can drill side to side, up and down, etc.

The cutting part is made from tungsten carbide and are suitable for circuit board cutting and probably some other soft metals and other materials. Each endmill has a high hardness, wear resistance and strength and they're also super sharp which helps when cutting thru PCBs.


Carbide Square End Mill - 1/8" Shaft - 0.5mm Diameter

Product ID: 2072
$3.95
60 in stock

Carbide Square End Mill - 1/8" Shaft - 0.8mm Diameter

Product ID: 2075
$3.95
35 in stock

Carbide PCB Drill Bit - 0.9mm

Product ID: 2120
$1.95
54 in stock

Carbide PCB Drill Bit - 1.1mm

Product ID: 2121
$1.95
18 in stock

Carbide Square End Mill - 1/8" Shaft - 0.6mm Diameter

Product ID: 2073
$3.95
31 in stock

Carbide PCB Drill Bit - 0.5mm

Product ID: 2118
$1.95
93 in stock

Carbide PCB Drill Bit - 0.7mm

Product ID: 2119
$1.95
In stock

Carbide Square End Mill - 1/8" Shaft - 0.7mm Diameter

Product ID: 2074
$3.95
11 in stock