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Product Specifications:
| Item | Ball End Mill |
| Cast Iron (k) Compatibility | No |
| Chip-breaker | No |
| Coolant Fed | Non-Coolant Through |
| Cutting Direction | Right Hand |
| Cutting Length | 0.6 mm |
| Dimension Type | Metric |
| Drilling Tool Configuration | Individual |
| End Mill Application | Roughing/Finishing |
| End Mill Cutting Type | Center Cutting |
| End Mill Style | Ball Nose |
| End Type | Single End |
| Finish | Bright, Uncoated |
| Finish - Machining | Bright (Uncoated) |
| Grade | General Purpose |
| Hardened Compatibility | Yes |
| Helix Angle | 30° |
| List Number | 9191 |
| Material | CBN |
| Material - Machining | CBN |
| Material Grade - Machining | General Purpose |
| Milling Dia. | 0.9 mm |
| Miniature End Mill | Yes |
| Neck Length | 2.7 mm |
| Non Ferrous (n) Compatibility | No |
| Number Of Flutes | 2 |
| Overall Length | 45 mm |
| Primary Material Application | Hardened Steel |
| Primary Material Application Iso Code | H |
| Shank Dia. | 4 mm |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Single End/double End | Single End |
| Stainless (m) Compatibility | No |
| Steel (p) Compatibility | Yes |
| Super Alloy (s) Compatibility | No |
| 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 | Overall Length | Grade | Cutting Length | Milling Dia. | End Mill Application | Neck Length | Coolant Fed | Cutting Direction | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
8525623 | 45 mm | General Purpose | 0.3 mm | 0.4 mm | Roughing/Finishing | 3 mm | Non-Coolant Through | Right Hand | €726.02 | |
![]() |
8525622 | 45 mm | General Purpose | 0.3 mm | 0.4 mm | Roughing/Finishing | 2 mm | Non-Coolant Through | Right Hand | €726.02 | |
![]() |
8525305 | 45 mm | Micro Grain | 0.3 mm | 0.5 mm | Finishing | 1.5 mm | Non-Coolant Through | Right Hand | €706.94 | |
![]() |
8525306 | 45 mm | Micro Grain | 0.4 mm | 0.6 mm | Finishing | 1.8 mm | Non-Coolant Through | Right Hand | €709.50 | |
![]() |
8525634 | 45 mm | General Purpose | 0.4 mm | 0.6 mm | Roughing/Finishing | 4.5 mm | Non-Coolant Through | Right Hand | €682.19 | |
![]() |
8525633 | 45 mm | General Purpose | 0.4 mm | 0.6 mm | Roughing/Finishing | 3 mm | Non-Coolant Through | Right Hand | €682.19 | |
![]() |
8525307 | 45 mm | General Purpose | 0.5 mm | 0.7 mm | Roughing/Finishing | 2.1 mm | Non-Coolant Through | Right Hand | €1,001.38 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
OSG 8525309 Ball End Mill, Cbn, Bright Finish, 0.9 mm Milling Dia, 0.6 mm Length Of Cut
€1,001.38 /unit


