Spiral router bit Roughing VHM Z3 D20 I102 L165 S20 RH negative
Key features
Diameter D
20 mm
Teeth Z
3
Shank S
Ø 20 mm
Material
VHM
Rotation
RH
Max. RPM
24 000
Cutting length I
102 mm
Overall length L
165 mm
- Soft solid wood
- Hard Solid Wood
- Raw MDF
- Raw particleboard
- Plywood
Availability
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more than 20 pcs
Distributor warehouse
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In stock
Manufacturer warehouse
Spiral router bit Roughing VHM Z3 D20 I102 L165 S20 RH negative is backordered and will ship as soon as it is back in stock.
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Spiral router bit Roughing VHM Z3 D20 I102 L165 S20 RH negative
Spiral router bit Roughing VHM Z3 D20 I102 L165 S20 RH negative is backordered and will ship as soon as it is back in stock.
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Clamping type machine side
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Overall length L [mm]
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Shank diameter S [mm]
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Diameter D [mm]
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Cutting Material
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Type of processingCutting, Grooving / Fluting, Gear hobbing / Peripheral milling, Rabbeting
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Processed materialSoft solid wood, Hard Solid Wood, Raw MDF, Raw particleboard, Plywood
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Feed type
-
Number of teeth Z
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Direction of rotation
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Working length I [mm]
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Body material
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Tool type
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Permissible feed directions
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RPM max.
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Axial angle direction
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Catalog index
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Brand
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Series
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Cutter construction
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Packaging type
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Type of processing
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Blade structureChipbreaker
Three-flute roughing spiral end mill VHM from the SF51 series
Index: SF51.20.102.165.20R
Industrial spiral end mill made from solid carbide (VHM) from the SF51 series with a negative design (chip removal downwards). Designed for efficient rough machining, cutting, and milling on CNC machining centres and vertical milling machines. The left-hand screw line (negative) presses the material against the work table, eliminating the risk of tearing on the upper edge of the workpiece. Three spiral flutes with a profiled chip breaker reduce cutting resistance, decrease spindle load, and effectively dampen vibrations during intensive cutting. The ground shank in class H6 accuracy protects the drive system and ensures high stability of the process.
Key technical parameters and properties:
- Three-flute roughing design Z3 (negative): Dedicated roughing profile with downward chip removal presses the workpiece against the table and provides a perfectly finished, clean upper edge.
- Premium-class solid carbide (VHM): Rigid monolithic construction minimizes tool deflection under load and guarantees high mechanical durability.
- Geometry with chip breaker: Divides the cut material into smaller pieces, reducing cutting resistance and stabilizing the system operation.
- Optimised shank roughness: The shank surface features low roughness (Ra ≤ 0.3 µm), preventing slippage in the holder and protecting the spindle taper from wear.
- Dynamic balancing in class G2.5: Static-dynamic balancing compliant with ISO/EN standards (class G2.5) eliminates vibrations at maximum rotational speeds.
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SF51 series: all sizes
