10pcs 0.3-1.2mm PCB CNC Print Circuit Board Carbide Micro Drill Bits Set E59

Features: 
Drill bit chip space: chip resistance is small, smooth chip removal, drilling heat a small, reduce drilling
Drill variety, to meet the needs of different applications. Drill all parameters, such as core thickness
Type: Clean the special drill bit
Material: Tungsten steel
Size: 0.3-1.2 mm
 
Function: 
Ten mini storage boxes :  0.3-1.2MM (0.3-0.4-0.5-0.6-0.7-0.8-0.9-1.0-1.1-1.2)
 Applicable to the circuit board, electronics, SMT, mold, metal processing, communications