Overview
pcb micro-drill ，drill bit，router bit，slot drill positioning ring.
Features
Material：POM
Color：Various colors
Characteristic：High hardness and wear resistance.high strength, anti-bending, anti-breakage, and long life of the ring.
Measurement:
HyH-A HyH-B HyH-C HyH-D
Diameter ： 7.60±0.03mm 7.55±0.03mm 7.50±0.03mm 7.60±0.03mm
Inner Diameter： 3.02±0.03mm 3.02±0.03mm 3.02±0.03mm 3.02±0.03mm
Thickness： 4.60±0.03mm 4.60±0.03mm 4.60±0.03mm 6.50±0.03mm
Application
PCB circuit board，Chip，PCB drill bit，Micro-drill，Router bit，Slot bit，Hardware tool
