HRC65 2-Flute Solid Carbide Ball Nose End Mill for Hardened Steel

Hochpräziser 2-Schneiden-Vollhartmetall-Kugelkopffräser mit 65°-Geometrie und Nanobeschichtung. Ermöglicht reibungsloses 3D-Fräsen, stabiles Schneiden und OEM-Anpassung.

⚙️ Produktkonfigurationen

*Flöten: 2 Flöte
*Geometrie: 65° (wie angegeben)
*Anwendung: 3D-Konturieren, Profilieren, Schlichten und Halbschlichten
*Helix-Winkel: 30° / 35° / 45° (wahlweise)
*Toleranz: h6 / kundenspezifische Toleranzen verfügbar
*Beschichtung: Nano coating for improved wear resistance and tool life
*Tool Material: Ultra-fine grain solid carbide for high precision machining
*Werkstück Materialien: Hardened steel, mold steel, alloy steel and general steel
*Anpassung: Custom diameter, radius, flute length, overall length and coating options available

Consistent Quality

Consistent geometry across repeat orders.

Flexible Bestellungen

Small batches and mixed sizes available.

OEM Support

Custom marking, labels and packaging.

Standard und Sonderanfertigungen

Standard sizes and custom configurations.

HRC65 2-Flute Solid Carbide Ball Nose End Mill Overview

This HRC65 2-flute solid carbide ball nose end mill is designed for 3D contouring, mold-cavity machining, profiling and fine surface finishing in hardened tool and mold steels up to HRC65. Its ultra-fine-grain carbide substrate supports edge strength and wear resistance, while the two-flute geometry provides chip space and lower cutting resistance in deep or complex profiles. The full-radius cutting edge follows curved surfaces, and a high-temperature coating protects the tool during high-hardness machining.

End ProfileBall Nose / Full Radius
Flute Design2 Flutes
Steel HardnessUp to HRC65
BeschichtungTiSiN / AlTiSiN

Key Configuration

Full-Radius Ball Nose

Maintains progressive cutting contact on curved surfaces, cavities, fillets and complex 3D profiles.

Two-Flute Geometry

Balances cutting-edge support with chip space for semi-finishing and finishing operations.

HRC65-Matched Substrate & Coating

Ultra-fine-grain carbide and a high-temperature coating support edge retention in selected steels up to HRC65.

Key Product Advantages

R

Smooth 3D Toolpaths

The ball profile supports continuous contact when following curved and free-form surfaces.

2F

Stable Chip Evacuation

Two flutes provide chip space without giving up the edge support required for steel finishing.

65

Hardened-Steel Capability

Configured for light semi-finishing and finishing in selected heat-treated steels up to HRC65.

Ti

High-Temperature Protection

TiSiN or AlTiSiN-type coating options help protect the cutting edge under elevated cutting temperatures.

Milling Operations

3D Contouring
Mold Cavity Milling
Profile Milling
Semi-Finishing
Surface Finishing
Application Note: Because cutting speed changes across the ball profile, use suitable step-over and avoid relying on the tool center for heavy material removal. Reduce engagement for long-reach sizes.

Workpiece Material Compatibility

MATERIAL GROUP EXAMPLES APPLICATION LEVEL
H Hardened Tool Steel Heat-treated tool steels within the confirmed hardness range Primary application
H Hardened Mold Steel Hardened mold and die steels up to HRC65 Primary application
P Alloy Steel Selected high-alloy and heat-treated steels Confirm grade and hardness
Hardness Note: HRC65 is the upper application target under suitable finishing conditions, not a guarantee for every steel grade or operation. Confirm the actual workpiece composition, hardness, tool diameter and setup rigidity before selection.

Product Details & Milling Demonstration

Detailed product views and a machining demonstration of the HRC65 2-flute solid carbide ball nose end mill for hardened steel.

HRC65 2-flute solid carbide ball nose end mill for hardened steel

HRC65 Solid Carbide Ball Nose End Mill

Two-flute ball nose cutting edge for hardened steel machining

Two-Flute Ball-Nose Cutting Geometry

HRC65 2 flutes carbide ball nose end mill HRC65 ball nose end mill for hard steel

Coated Cutting Edge for High-Hardness Finishing

HRC65 2-Flute Ball Nose End Mill Product & Hardened-Steel Machining Demonstration

Tool Nomenclature & Dimensions

Reference dimensional nomenclature and standard configurations for the HRC65 2-flute solid carbide ball nose end mill for hardened steel. All listed dimensions are in millimeters.

HRC65 2-flute solid carbide ball nose end mill dimension reference
R: Radius der Kugel DC / D: Cutting Diameter APMX / L1: Flöte Länge DCON / d: Schaft-Durchmesser OAL / L: Gesamtlänge

Technical Configuration

TECHNICAL ITEM SPECIFICATION
Werkzeug-Typ Solid carbide ball nose end mill
End Profile Ball Nose / Full Radius
Flöte zählen 2 Flöten
Series Positioning HRC65 Hardened-Steel Finishing Series
Werkzeug Material Ultra-Fine-Grain Solid Carbide
Carbide Reference Data 0.4 μm grain size; 12% Co; flexural strength 4300 N/mm² (supplier reference data)
Beschichtungsoptionen TiSiN / AlTiSiN / TiAlN or application-specific high-temperature coating
Helix Angle Options 30° / 35° / 45°
Gesamtlänge 50–150 mm reference range; selected custom configurations up to 200 mm after rigidity review
Primary Operations 3D contouring, profiling, cavity machining, semi-finishing and finishing
Cutting Direction Right-Hand Cutting
Coolant Method Air Blow / Oil Mist / External Coolant According to Application

Standard Size Matrix

Reference standard sizes retained from the original product information. Select by ball radius, flute length, shank diameter and overall length. Drawing-based non-standard sizes can be reviewed separately.

SPECIFICATION R DC / D APMX / L1 DCON / d OAL / L FLUTES
R0.5×2×D4×50L 0.5 1 2 4 50 2
R0.75×3×D4×50L 0.75 1.5 3 4 50 2
R1×4×D4×50L 1 2 4 4 50 2
R1.25×5×D4×50L 1.25 2.5 5 4 50 2
R1.5×6×D3×50L 1.5 3 6 3 50 2
R1.5×6×D3×75L 1.5 3 6 3 75 2
R1.5×6×D3×100L 1.5 3 6 3 100 2
R1.5×6×D4×50L 1.5 3 6 4 50 2
R1.5×6×D6×50L 1.5 3 6 6 50 2
R1.75×7×D4×50L 1.75 3.5 7 4 50 2
R2×8×D4×50L 2 4 8 4 50 2
R2×8×D4×75L 2 4 8 4 75 2
R2×8×D4×100L 2 4 8 4 100 2
R2.5×10×D5×50L 2.5 5 10 5 50 2
R2.5×10×D5×75L 2.5 5 10 5 75 2
R2.5×10×D5×100L 2.5 5 10 5 100 2
R2.5×10×D6×50L 2.5 5 10 6 50 2
R3×12×D6×50L 3 6 12 6 50 2
R3×12×D6×75L 3 6 12 6 75 2
R3×12×D6×100L 3 6 12 6 100 2
R3×12×D6×150L 3 6 12 6 150 2
R3.5×14×D8×60L 3.5 7 14 8 60 2
R4×16×D8×60L 4 8 16 8 60 2
R4×16×D8×75L 4 8 16 8 75 2
R4×16×D8×100L 4 8 16 8 100 2
R4×16×D8×150L 4 8 16 8 150 2
R4.5×18×D10×75L 4.5 9 18 10 75 2
R5×20×D10×100L 5 10 20 10 100 2
R5×20×D10×150L 5 10 20 10 150 2
R5.5×22×D12×75L 5.5 11 22 12 75 2
R6×24×D12×75L 6 12 24 12 75 2
R6×24×D12×100L 6 12 24 12 100 2
R6×24×D12×150L 6 12 24 12 150 2
R7×28×D14×80L 7 14 28 14 80 2
R7×28×D14×100L 7 14 28 14 100 2
R7×28×D14×150L 7 14 28 14 150 2
R8×32×D16×100L 8 16 32 16 100 2
R8×32×D16×150L 8 16 32 16 150 2
R9×36×D18×100L 9 18 36 18 100 2
R9×36×D18×150L 9 18 36 18 150 2
R10×40×D20×100L 10 20 40 20 100 2
R10×40×D20×150L 10 20 40 20 150 2
Size Note: The original source contains conflicting overall-length data for R5×20×D10×75L and conflicting flute-length data for R6.5×28×D14×100L. Both rows have been withheld until the dimensions are confirmed. For extended-reach tools, reduce cutting load and verify tool overhang, holder runout and machine rigidity.

Recommended Starting Cutting Parameters

The values below are starting references from the original product information. Optimize them according to cutter diameter, effective cutting diameter on the ball profile, tool overhang, holder runout, machine rigidity and coolant conditions.

WORKPIECE RANGE VC (m/min) FZ (mm/tooth) AP AE REFERENCE USE
Hardened Tool & Mold Steel — HRC55–HRC65 80–120 0.015–0.03 0.2–0.4 × D 0.03–0.15 × D Light Semi-Finishing / Finishing
Cutting Data Note: These broad ranges are not a substitute for diameter-specific cutting data. Start conservatively for small diameters, deep cavities, long overhangs or machining near HRC65, then adjust after checking spindle load, vibration, chip evacuation and surface finish.

HRC65 Ball Nose End Mill Application Guidance

  • 3D Finishing: Select step-over according to the ball radius, required cusp height and target surface finish.
  • Tool Center: Cutting speed approaches zero at the center of the ball; use suitable tool inclination or toolpath strategy where possible.
  • Extended Reach: Reduce radial engagement and feed when using long overall lengths or increased tool overhang.
  • Toolholding: Use a clean, low-runout precision holder and keep unnecessary overhang to a minimum.
  • Hardness Verification: Confirm the workpiece grade and actual hardness before machining near the HRC65 application limit.

HRC55 2-Flute Square End Mill Customization

Cutting diameter, flute length, overall length, helix angle, square-end geometry, cutting-edge preparation and coating can be configured for steel-milling applications. Standard configurations use a 2-flute design with 35° or 38° helix options, while non-standard dimensions and selected geometry adjustments can be reviewed according to the workpiece grade, hardness, milling operation, tool engagement and required dimensional accuracy.

PARAMETER MANUFACTURING CAPABILITIES
Cutting Diameter Standard Ø1–Ø20 mm range, with selected intermediate and non-standard diameters reviewed according to the drawing
Flöte zählen Standard 2-flute configuration with generous chip space for slotting, side milling and shoulder-milling applications
Flute & Overall Length Standard, long-series and drawing-defined flute, reach and overall-length configurations
Shank Configuration Precision cylindrical shank with standard or drawing-defined shank diameter and clamping length
Helix-Winkel 35° or 38° standard helix options selected according to the steel grade, chip formation and milling operation
Square-End Geometry Flat-bottom square-end profile for slots, pockets and 90° shoulders, with center-cutting capability confirmed by specific configuration
Edge Preparation Application-matched cutting-edge preparation, end-face grinding, gash geometry and corner condition reviewed according to the steel hardness and cutting load
Coating Selection AlTiN, TiSiN or application-specific coating selected according to the steel grade, hardness, cutting temperature and coolant conditions
Milling Application Geometry can be reviewed for slotting, side milling, shoulder milling, semi-finishing and selected finishing operations
Dimensional Tolerance Drawing-defined requirements for cutting diameter, flute length, shank diameter, overall length, runout and square-end geometry
Technische Anmerkung: Please provide the workpiece material and hardness, required cutting diameter, flute length, milling operation, axial depth ap, radial engagement ae, holder type, coolant method, dimensional tolerance and order quantity. Final geometry, coating and custom dimensions are confirmed after technical review.

OEM- und Eigenmarken-Dienstleistungen

OEM manufacturing and private-label supply options are available for industrial distributors, tooling brands and repeat-production customers. Laser identification, label content, protective packaging and coating presentation can be configured according to the approved product specification and order requirements.

OEM laser marking custom labels coatings and packaging for solid carbide square end mills

Laser Etching

Custom logos, tool codes, cutting dimensions, coating identification and batch numbers can be marked according to the available shank area.

Custom Labels & Packaging

Individual protective tubes, product labels, specification details, colored packaging tubes and private-label packaging can be reviewed.

Commercial Terms

MOQ, sample evaluation, custom-size trials, repeat orders and scheduled supply programs are confirmed according to the selected configuration.

Technical Workflow

A structured review process is used to confirm standard, customized and private-label square end mill requirements before production.

STAGE 01

Inquiry

Submit the material, hardness, milling operation, dimensions, tolerance and quantity.

STAGE 02

Engineering

Review flute geometry, helix angle, edge preparation, coating, ap and ae.

STAGE 03

Commercial

Confirm quotation, MOQ, sample requirements, production schedule and delivery terms.

STAGE 04

Production

CNC grinding, end-face formation, edge preparation, coating and laser marking.

STAGE 05

Qualitätskontrolle

Inspect diameter, flute length, shank, runout, square-end geometry and cutting edges.

Quality, Inspection & Delivery

Our solid carbide square end mills are controlled through material verification, precision grinding, in-process measurement and final inspection. Key dimensions, square-end geometry, cutting-edge condition, coating appearance and product identification are reviewed according to the approved specification or drawing before packing.

Controlled manufacturing and final inspection for solid carbide square end mills

Three-Stage Quality Control

Inspection checkpoints are arranged around the manufacturing process to support dimensional consistency and repeat-order control.

STAGE 01

Incoming Material Control

Carbide substrate grade, blank dimensions and supplied material information are checked against the production requirement.

STAGE 02

In-Process Grinding Control

Cutting diameter, flute geometry, flute length, square-end profile and shank dimensions are monitored during CNC grinding.

STAGE 03

Final Tool Inspection

Finished tools are reviewed for specified dimensions, runout, cutting-edge condition, coating appearance, marking and packing identification.

Key Inspection Characteristics

Inspection requirements are confirmed according to the standard product specification or the approved custom drawing.

INSPECTION ITEM CONTROL FOCUS CONFIRMATION BASIS
Cutting Diameter (DC) Diameter and dimensional consistency Standard specification or approved drawing
Flute Length (APMX) Effective cutting length Confirmed product size or drawing requirement
Shank Diameter (DCON) Clamping-section dimension and surface condition Applicable shank specification
Overall Length (OAL) Total tool length Standard size matrix or approved drawing
Radial Runout Concentricity between cutting section and shank Agreed inspection requirement
Square-End Geometry End-face profile, corner condition and center-cutting form Selected tool configuration
Flute & Helix Profile Flute count, helix form and grinding consistency Approved manufacturing configuration
Cutting Edge & Coating Edge condition, visible defects and coating appearance Application-specific production requirement
Marking & Identification Tool code, dimensions and batch information where applicable Confirmed order and packaging specification

Measurement & Batch Traceability

Optical measuring systems, tool inspection equipment and appropriate dimensional gauges are selected according to the feature being checked.

Optical Measurement

Profile and dimensional review of specified cutting features.

Runout Verification

Concentricity review based on the agreed product requirement.

Edge Inspection

Magnified review of the end face, corners and cutting-edge condition.

Batch Identification

Order, product and batch information are linked where required for repeat supply.

Inspection Documentation: Dimensional records, sample inspection requirements or additional documentation can be reviewed according to the order specification before production.

Protective Packaging Process

Finished end mills are protected to reduce contact between cutting edges and to support clear product identification during storage and transportation.

Protective packaging process for solid carbide end mills
01 Individual ProtectionProtective tubes or cases help shield cutting edges.
02 Batch IdentificationLabels identify the applicable tool and order information.
03 Carton ProtectionInternal cushioning is selected according to the shipment.
04 Ready for DispatchCartons are closed and prepared for the confirmed shipping method.

Bulk-Order & Export Packaging

Bulk shipments can be arranged with reinforced cartons, protective wrapping, palletized loading or export cases according to order quantity, shipment weight and agreed transportation requirements.

Bulk-order and export packaging for HY Cutting Tools shipments

Delivery Coordination

Production completion, packing method and dispatch arrangements are confirmed according to the approved order. Courier, air, sea or customer-designated shipping options can be reviewed according to shipment size and destination. Final lead time is confirmed after product specifications, quantity and packaging requirements are approved.

Product & Application FAQs

Answers to common questions about selecting and applying the HRC65 2-Flute Solid Carbide Ball Nose End Mill for Hardened Steel.

What materials is this ball nose end mill designed to machine?
It is configured for steel and mold-steel machining within the HRC65 series positioning. Actual suitability depends on the steel grade, verified hardness, operation, tool diameter, coating, holder condition and machine rigidity.
What operations are suitable for the ball-nose profile?
The full-radius cutting end is suitable for 3D contour milling, curved-surface machining, mold-cavity finishing, profiling and selected semi-finishing operations. It is not intended to create a flat pocket bottom or a sharp 90° internal corner.
How should step-over be selected for surface finishing?
A smaller step-over generally reduces cusp height and improves the generated finish, but increases machining time. Ball radius, surface angle, programmed tolerance, runout and required finish should be considered together.
Can the tool cut at the center of the ball nose?
The center area has very low cutting speed and can generate more rubbing and heat. Toolpaths should maintain stable engagement and avoid unnecessary dwell, particularly in harder steels.
What affects ball-radius and profile accuracy?
Carbide quality, grinding accuracy, radius tolerance, runout, holder condition, machine positioning and toolpath settings all affect the final profile. Confirm drawing-defined radius tolerances for precision mold work.
Does HRC65 guarantee machining of every steel at exactly 65 HRC?
No. HRC65 is the upper series target under selected stable conditions. Suitability near the upper range depends on the exact steel grade, heat treatment, tool diameter, stock allowance, coating, cutting data and machine rigidity.

Ordering & Customization FAQs

Information for distributors, tooling brands and customers requesting standard or application-specific ball-nose configurations.

What standard sizes are available?
Availability should be confirmed by cutting diameter, ball radius, flute length, shank diameter and overall length, flute count, coating or surface finish and required quantity. Referenced catalog sizes and production availability may differ by series.
Can non-standard dimensions or geometry be manufactured?
Yes. Selected cutting diameter, ball radius, flute length, shank diameter and overall length, edge preparation and coating or polishing options can be reviewed according to the tool drawing, component geometry and machining application.
Are OEM marking and private-label packaging available?
Laser marking, tool codes, custom labels, protective tubes and private-label packaging can be reviewed according to the available shank marking area, packaging specification and order quantity.
What information is required for an accurate quotation?
Please provide the workpiece material and hardness, cutting diameter, ball radius, flute length, shank diameter and overall length, machining operation, axial and radial engagement, tolerance or finish requirements, coating preference and order quantity. A tool drawing or component model is recommended for custom projects.

Technical Downloads

Use the following references for product selection and starting cutting-data review.

Solid Carbide End Mill Catalog

Review related ball-nose, square-end, corner-radius and application-specific end mill series.

View Catalog

End Mill Speeds & Feeds Guide

Access reference starting parameters for application review and controlled machining trials.

View Guide

Need a Size or Application Review?

Send the steel grade and verified hardness, required dimensions, machining operation and quantity for configuration and quotation review.

Angebot anfordern

Need Sizes, Pricing or Custom Options?

Send us the required tool type, sizes, quantities, workpiece material and any OEM or custom requirements. We will confirm suitable specifications, availability, lead time and quotation details.

Standard Sizes Small Trial Orders Mixed Sizes OEM & Custom Options
Request Price & Specifications Chat on WhatsApp

Drawings, size lists and reference photos are welcome.