[Versatile Size Range] This comprehensive 10 piece set covers diameters from 0.6mm to 1.5mm (3.175mm shank) with 38.1mm length bits ideal for creating solder holes component leads and vias in various thickness printed circuit boards and other delicate materials.
[Efficient Chip Removal] Specially designed twisted flute geometry provides large scrap discharge space allowing smooth chip evacuation during high speed cnc operations which reduces heat buildup and prevents bit breakage for longer tool life.
[Professional Grade Performance] Engineered to minimize cutting force while maintaining exceptional hole wall quality these industrial strength drill bits deliver clean accurate holes perfect for smt mold making jewelry repairs and precision engineering applications.
[Convenient Storage Solution] Each set comes with a durable plastic organizer ​ that securely holds all 10 drill bits in labeled slots making it easy to quickly identify and access the exact size bit needed for your specific pcb drilling task.
[Ultra ​ Precision] These premium cemented carbide micro drill bits feature an advanced fine grinding process that creates ​ ​ cutting s for effortless drilling through ​ pcb materials without splintering or tearing the delicate circuit board surface.

Spec:
Description:
These bits work fantastic on PCB boards. ​ and twisted flute will make the drilling be more easy and effortless. They come in a easy-to-use plastic ​ with a holder for each bit. Drills bits are perfect for delicate drilling through hard materials for model engineering, jewelry repairs, craft work, suitable for PCB, SMT, CNC, mold, sculpture, plastic, copper, stainless steel.
Features:
Use ​ materials and fine grinding process makes bit more ​ cutting ​k>.​
Drill bit has a large scraps discharge space, little resistance and smoothly during the scraps discharge.
Reduce cutting force and broken drill, improve the quality of hole wall.
Easy to