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Product Specifications:
| Item | Router Bit |
| Cutter Dia. | 4 mm |
| Cutting Dia. | 4 mm |
| Cutting Direction | Right Hand |
| Cutting Direction - Machining | Right Hand |
| Cutting Length | 20 mm |
| Cutting Type | Center |
| Dimension Type | Metric |
| Drilling Tool Configuration | Individual |
| End | Single |
| End Mill Application | Finishing |
| End Mill Cutting Type | Center Cutting |
| End Mill Style | Square |
| End Style | Square |
| End Type | Single End |
| Finish | Bright, Uncoated |
| Finish - Machining | Bright (Uncoated) |
| Flute Type | Spiral O Flute Upcut |
| Grade | High Performance |
| Helix Angle | 21° |
| List Number | 63-850 |
| Material | Carbide |
| Material - Machining | Carbide |
| Material Grade - Machining | High Performance |
| Measurement System | Metric |
| Neck Dia. | Not Applicable |
| Neck Length | Not Applicable |
| Number Of Flutes | 1 |
| Overall Length | 64 mm |
| Primary Material Application | Composite |
| Primary Material Application Iso Code | O |
| Router Bit Flute Type | Spiral O Flute Upcut |
| Shank Dia. | 6 mm |
| Single End/double End | Single End |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Material | Cutting Length | Overall Length | Number Of Flutes | Shank Dia. | Cutter Dia. | Flute Type | Cutting Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
66-939ALTIN | Carbide | 1 5/8" | 4" | - | 1/2" | 1/2" | Diamond Cut | 1/2" | €270.97 | |
![]() |
52-742 | Carbide | 35 mm | 100 mm | 2 | 12 mm | 12 mm | Spiral O Flute Upcut | 12 mm | €266.80 | |
![]() |
52-744 | Carbide | 45 mm | 100 mm | 2 | 12 mm | 12 mm | Spiral O Flute Upcut | 12 mm | €279.47 | |
![]() |
52-746 | Carbide | 55 mm | 100 mm | 2 | 12 mm | 12 mm | Spiral O Flute Upcut | 12 mm | €298.39 | |
![]() |
52-752 | Carbide | 45 mm | 120 mm | 2 | 16 mm | 16 mm | Spiral O Flute Upcut | 16 mm | €392.35 | |
![]() |
52-754 | Carbide | 55 mm | 120 mm | 2 | 16 mm | 16 mm | Spiral O Flute Upcut | 16 mm | €392.47 | |
![]() |
63-804 | Carbide | 8 mm | 64 mm | 1 | 6 mm | 2 mm | Spiral O Flute Upcut | 2 mm | €64.61 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
ONSRUD 63-874 Solid Router Bit, Spiral O-Flute Upcut, 4.00 mm, 20.00 mm, 64.00 mm, 21 Degree Helix Angle
€65.45 /unit




