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Product Specifications:
| Item | Micro Drill Bit |
| Aircraft Drill | No |
| Application | Metalworking |
| Circuit Board Drill | No |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.1264 |
| Depth X Dia. Ratio | 3xd |
| Drill Bit Dimension Type | Metric |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | 4 Facet Point |
| Drill Bit Size | 3.21 mm |
| Drill Diameter Tolerance | -0.01 mm to 0 mm |
| Drill Length Class | Micro Length |
| Finish | Aluminum Titanium Nitride |
| Finish - Machining | TiAlN |
| Flute Length | 18 mm |
| Flute Type | Spiral |
| Grade | High Performance |
| Helix Angle | 30° |
| List Number | 5330 |
| Material | Solid Carbide |
| Material - Machining | Carbide |
| Material Grade - Machining | HIGH PERFORMANCE |
| Max. Drilling Depth | 18 mm |
| No. Of Pieces | 1 |
| Number Of Flutes | 2 |
| Overall Length | 56 mm |
| Primary Material Application | Aluminum, Steel |
| Primary Material Application Iso Code | N, P |
| Secondary Material Application | Alloy Steel, Cast Iron, Stainless Steel, Titanium, Tool And Die Steel |
| Secondary Material Application Iso Code | K, M, P, S |
| Shank Dia. | 4 mm |
| Shank Length | 38 mm |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Standards | Not Rated |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Shank Dia. | Decimal Equivalent | Max. Drilling Depth | Drill Bit Size | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
3300480 | 5 mm | 0.189 | 26 mm | #12 | 64 mm | €159.69 | |
![]() |
3300470 | 5 mm | 0.185 | 24 mm | #13 | 64 mm | €134.09 | |
![]() |
3300450 | 5 mm | 0.177 | 24 mm | #16 | 64 mm | €119.16 | |
![]() |
48172399 | 4 mm | 0.157 | 22 mm | #22 | 56 mm | €124.12 | |
![]() |
48172391 | 4 mm | 0.154 | 22 mm | #23 | 56 mm | €124.12 | |
![]() |
48172386 | 4 mm | 0.152 | 22 mm | #24 | 56 mm | €115.59 | |
![]() |
3300380 | 4 mm | 0.1495 | 22 mm | #25 | 56 mm | €97.11 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
OSG 48172321 Micro Drill Bit, 3.21 mm Drill Bit Size, 18 mm Flute Length, 4 mm Shank Dia
€108.86 /unit


