Micro Engraving Drill Bit Micro Engraving Drill Bit: Suitable for DIY resin, amber, wood, plastic, soft metal drilling and carving. Notice: It is not suitable for high-speed electric drills and drilling on materials with excessive hardness.
|
High-speed Steel High-speed Steel: With great toughness and hardness, not easy to break, easy chip removal.
|
Color Quenching Treatment Color Quenching Treatment: Increase the hardness of the drill bit, improve the use efficiency.
|
Titanium Plated Titanium Plated: Higher wear resistance and lower friction coefficient.
|