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⚡ Micro precision, mega impact — drill like a pro!
This 10-piece set of Japanese-made tungsten carbide micro drill bits features 0.10mm and 0.20mm cutting diameters with a standard 3.175mm shank. Designed for high-speed, precise cutting across plastics, PCBs, jewelry, and toy making, these spiral-fluted bits come neatly packed in a protective case, perfect for professionals demanding accuracy and durability.
| Material | Alloy Steel |
| Cutting Diameter | 20 Millimeters |
| Shank Type | Straight |
| Brand | Daewon Industries |
| Tool Flute Type | Spiral |
| Surface Recommendation | Plastic |
| Number of Flutes | 2 |
| Unit Count | 10.0 Count |
| Part Number | 1 |
| Item Weight | 0.32 ounces |
| Package Dimensions | 3.3 x 2 x 0.7 inches |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Measurement System | Metric |
| Batteries Included? | No |
| Batteries Required? | No |
O**7
WOW
Made in Japan... not surprised with the quality. Bought the 0.1 and 0.2mm set. These are thinner than a human hair. I wonder how they make these so precise and so fine. They need to be used with vertical force only; no lateral force. Therefore unless mounted in a bench mounted drill, you will break them easily.As for performance, they are excellent. They are actual tungsten carbide because I am drilling 2mm thick steel sheets. These are meant to be used in bench mounted drills; not for hand tools like Dremel unless you are as skilled as a surgeon with a very delicate touch. If you break them, it's your fault.
A**N
Drill bits
Excellent Drills pin vise only recommended really small
L**C
Great for fixing broken vias on PCBs
Worked great to fix bad 0.2mm dia. vias in prototype PCBs. I used these bits by hand - gently turning into the via hole partially filled with solder mask, then pulling straight out to clear the hole making room for a small piece of mag wire to be soldered across top & bottom sides to fix the broken contact. Delivery was on time and the condition of the bits inside a nice plastic case was exactly as shown in the photo.
T**D
Quality
These are high quality drill bits. Unlike the same type of “no-brand” micro-bits from china. I plan to replace all my micro drill bits with this brand asap.
R**O
Four Stars
Good quality at a great price.
Trustpilot
1 month ago
2 weeks ago