Drill Bits Unlimited
0.043" / #57 / 1.10mm Resharpened Carbide Drill Bits, 50 Pc
0.043" / #57 / 1.10mm Resharpened Carbide Drill Bits, 50 Pc
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50-piece set of factory resharpened solid carbide #57 drill bits with standard 1/8" shanks.
These drills are old stock, factory resharpened, cleaned, and inspected. They are a practical value option for precision drilling, backup tooling, production testing, hobby CNC work, and repeat-use setups where solid carbide performance is needed at a lower cost than new drills.
This size is approximately 0.043" / #57 / 1.10 mm, making it useful for small precision holes in PCB materials, plastics, and other appropriate non-ferrous materials.
Common Uses
- PCB and circuit board drilling
- FR-4, G-10, fiberglass laminate, and similar abrasive materials
- Small precision holes in plastics and non-ferrous materials
- Backup tooling for CNC drilling, repair work, and short-run production
Benefits
- Factory resharpened solid carbide value
- Performance comparable to new drills for many drilling applications
- Standard 1/8" shank fits common PCB drill holders and CNC collets
- 50-piece quantity provides spares for repeat jobs and production setups
- Comes in a plastic case similar to the photo
Specifications
| Brand | Tulon |
|---|---|
| Tool Type | Solid Carbide Drill Bit |
| Condition | Factory Resharpened |
| Diameter | 0.043" / #57 / 1.10 mm |
| Shank Diameter | 1/8" |
| Overall Length | 1.50" |
| Flute Length / Drill Depth | 0.300" approx. |
| Material | Solid Carbide |
| Coating | Uncoated |
| Package Quantity | 50 Pieces |
Condition note: These are factory resharpened carbide drills. They are intended as a value option for precision drilling, testing, backup tooling, short-run production, and hobby CNC use.
See our carbide drill bit feed and speed starting guide →
Shop individual carbide drill bits here: choose your size and quantity →
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Returns
Returns
Returns are accepted within 30 days of delivery for unused items in resalable condition. Original shipping charges are non-refundable unless the return is due to our error. Late, bulk, used, clearance, or special-order returns may be limited or subject to approval. See our Refund Policy for full details.
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