ST standard double-edged double groove drill

Good sharpness, fast chip cutting, good heat dissipation effect, and high grinding frequency performance.

For problems such as front crimping, glue pulling in holes, wire drawing in holes, and hole burning.

Applicable to PCB ordinary TG、soft board、soft and hard board drilling processing

BZ-ST type flat-head double-edged double-groove drill

The unique parallel cutter face improves the precision of depth control, adopts small helix angle 

to improve the drilling precision, thin core thickness, fast chip removal and good performance.

For the problem of powder accumulation hole plug, hole burr, hole fault, hole low depression and inequality.

Suitable for PCB depth control drilling

Product Technical Parameters

UC-UC type double-edged double groove drill

The unique design of the cutter head reduces the torque resistance of the drill, strong rigidity, reduces 

the deflection arc during the drill, and has high positioning accuracy.

Aiming at problems such as hole thickness, sharpening, glue pulling in holes, wire drawing in holes, and hole burning.

Applicable to drilling of PCB general medium and high TG, high multi-layer, thick copper, 

halogen-free, soft board, soft and hard board.

Product Technical Parameters