These Carbide Mircro Drill Bits are from the Union Company in Japan. We aquired them through our distributer in South Korea where our business was based. They are of the highest quality.

**Bits may or may not come with bumpers. You can message us to request a set with or without bumpers.

All bits are 1/8" 3.175mm shank

Many Uses:

Toy making
Model Cars, trains, trucks, boats
Jewelry making
CNC Circuit board production
Hobbies
Woodworking
Soft Metals
Arts and crafts
Installation
more..............

These micro drill bits are of the highest quality. They are made in Japan and used in South Korea by the Samsung company. They can be used for many things. They are great for making precision holes for those in the arts and crafts field or those who just dabble. The most common use is for making jewelry. Bits from China will get the job done, but the precision quality and durability of these bits will far outÂÂperform Chinese made bits!