 
            Tungsten Carbide Drills
 
PCB drill can be used in PCBs of different materials such as paper substrate, epoxy board and epoxy glass fiber, etc..
Dimensions
| Diameter (Φ, mm) | Length (L, mm) | 
|---|---|
| 0.2mm | 3.5mm | 
| 0.25mm | 3.8mm | 
| 0.30mm ~ 0.35mm | 5.2mm | 
| 0.40mm ~ 0.45mm | 6.7mm | 
| 0.50mm ~ 0.55mm | 8.2mm | 
| 0.60mm ~ 0.65mm | 9.2mm | 
| 0.70mm ~ 1.20mm | 10.2mm | 
| 1.25mm ~ 3.175mm | 12.2mm | 
Slot Drill
 
 
Slot drill can be used in the high precision round holes machining process in narrow slots.
Dimensions
| Diameter (Φ, mm) | Length (L, mm) | 
|---|---|
| 0.40mm ~ 0.45mm | 5.00mm | 
| 0.50mm ~ 0.55mm | 5.50mm | 
| 0.60mm ~ 0.65mm | 6.70mm | 
| 0.70mm ~ 3.00mm | 8.7mm | 
Step Drill
 
 
Dimensions: Diameter (Φ) 3.2mm ~ 6.5mm, Length (L): 12.5mm








