HRC65 2-Flute Solid Carbide Square End Mill for Steel and Stainless Steel
- ◆Designed for hardened steel finishing up to HRC65
- ◆Blue nano coating for improved wear resistance
- ◆2-flute design for efficient chip evacuation
- ◆Precision ground cutting edge for superior surface finish
Consistent Quality
Consistent geometry across repeat orders.
Flexible Orders
Small batches and mixed sizes available.
OEM Support
Custom marking, labels and packaging.
Standard & Custom
Standard sizes and custom configurations.
HRC65 2-Flute Solid Carbide Square End Mill Overview
This HRC65-series 2-flute solid carbide square end mill is designed for finishing and precision milling of confirmed hardened steel and die steel. Its blue nano coating, sharp cutting edges and generous two-flute chip space support wear resistance, chip evacuation and controlled cutting performance, while the precision cylindrical shank supports stable clamping under suitable CNC machining conditions.
Product Features
Blue Nano Coating
Supports wear, heat and corrosion resistance while helping protect the cutting edge in confirmed hard-milling conditions.
Sharp Cutting Edge
Precision-ground edges help control cutting resistance, while the two-flute form provides chip space.
Chamfered Precision Shank
The chamfered shank supports easier insertion, stable clamping and clear laser identification.
Why Choose This End Mill?
Wear Resistance
Blue nano coating helps control wear during high-speed finishing.
Stable Finishing
Ground square-end geometry supports flat floors and defined shoulders.
Chip Evacuation
Two flutes provide space to remove chips and limit recutting.
Dimensional Control
Rigid clamping and low runout support repeatable finishing results.
Recommended Applications
Mold & Die
Finishing confirmed hardened mold and die steel features.
Automotive Parts
Selected hardened component slots, profiles and shoulders.
Precision Parts
Controlled finishing of accurate mechanical features.
Aerospace Parts
Selected high-strength features after technical review.
Product Gallery
HRC65 2-Flute Hard-Milling Video
Technical Specifications
Reference specifications for the HRC65 2-flute solid carbide square end mill with blue nano coating. Final size, tolerance and material suitability are confirmed by selected configuration.
Tool Nomenclature & Dimensions
D: Cutting Diameter CEL: Flute Length SHK: Shank Diameter OAL: Overall Length
Standard Size Matrix
| D | CEL | SHK | OAL | Flutes | Type |
|---|---|---|---|---|---|
| 1.0 | 3 | 4 | 50 | 2 | Square End |
| 2.0 | 5 | 4 | 50 | 2 | Square End |
| 3.0 | 8 | 4 | 50 | 2 | Square End |
| 4.0 | 10 | 4 | 50 | 2 | Square End |
| 6.0 | 15 | 6 | 50 | 2 | Square End |
| 8.0 | 20 | 8 | 60 | 2 | Square End |
| 10.0 | 25 | 10 | 75 | 2 | Square End |
| 12.0 | 30 | 12 | 75 | 2 | Square End |
Recommended Starting Cutting Parameters
Reference hardened-steel finishing ranges. Adjust according to tool diameter, machine rigidity, actual hardness, clamping stability and machining depth.
| Material | Hardness | Vc | Spindle | Fz | Ae | Ap | Operation |
|---|---|---|---|---|---|---|---|
| Hardened Steel | HRC55–58 | 80–120 m/min | By diameter | 0.01–0.03 mm/z | 0.05D–0.15D | 0.1D–0.3D | Finishing |
| Hardened Steel | HRC58–62 | 60–100 m/min | By diameter | 0.008–0.025 mm/z | 0.03D–0.12D | 0.08D–0.25D | Precision Finishing |
| Tool / Die Steel | HRC60–65 | 50–90 m/min | By diameter | 0.006–0.02 mm/z | 0.02D–0.10D | 0.05D–0.20D | Fine Finishing |
Hard-Milling Setup Guidance
Rigid Clamping
Use a precision holder and minimize spindle and tool runout.
Short Overhang
Keep tool extension as short as the feature permits.
Cooling Strategy
Dry cutting, air blow or minimal lubrication may be selected according to stable process conditions.
HRC65 2-Flute Blue Nano Square End Mill Customization
Cutting diameter, flute length, overall length, neck reach, shank dimensions, helix geometry, cutting-edge preparation and blue nano coating can be configured for hardened-steel and die-steel milling applications. The 2-flute geometry provides additional chip space for slotting and cavity machining, while the carbide substrate, edge preparation and coating are matched to the workpiece grade, hardness, tool engagement and required surface finish. Non-standard dimensions and selected geometry adjustments can be reviewed according to the confirmed drawing and machining conditions.
| PARAMETER | MANUFACTURING CAPABILITIES |
|---|---|
| Cutting Diameter | Standard Ø1–Ø20 mm range, with selected intermediate and non-standard diameters reviewed according to the confirmed tool drawing |
| Flute Count | Standard 2-flute configuration with enlarged chip space for slotting, cavity milling, side milling and selected semi-finishing operations |
| Flute, Neck & Overall Length | Standard, long-series, reduced-neck 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 Geometry | Application-specific helix, rake and flute geometry reviewed according to the hardened-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 the selected configuration |
| Edge Preparation | Reinforced cutting-edge preparation, end-face grinding, gash geometry and corner condition matched to the steel hardness and cutting load |
| Coating Selection | Blue nano coating as the reference configuration, with coating specification reviewed according to workpiece hardness, cutting temperature and coolant conditions |
| Workpiece & Application | Configured for die steel and hardened steel within the confirmed HRC50–65 application range, primarily for slotting, cavity milling, side milling and semi-finishing |
| Dimensional Tolerance | Drawing-defined requirements for cutting diameter, flute length, neck reach, shank diameter, overall length, runout and square-end geometry |
OEM & Private Label Services
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.
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.
Inquiry
Submit the material, hardness, milling operation, dimensions, tolerance and quantity.
Engineering
Review flute geometry, helix angle, edge preparation, coating, ap and ae.
Commercial
Confirm quotation, MOQ, sample requirements, production schedule and delivery terms.
Production
CNC grinding, end-face formation, edge preparation, coating and laser marking.
Quality Control
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.
Three-Stage Quality Control
Inspection checkpoints are arranged around the manufacturing process to support dimensional consistency and repeat-order control.
Incoming Material Control
Carbide substrate grade, blank dimensions and supplied material information are checked against the production requirement.
In-Process Grinding Control
Cutting diameter, flute geometry, flute length, square-end profile and shank dimensions are monitored during CNC grinding.
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.
Protective Packaging Process
Finished end mills are protected to reduce contact between cutting edges and to support clear product identification during storage and transportation.
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.
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 Square End Mill for Steel and Stainless Steel.
What materials is this square end mill designed to machine?
Why use the 2-flute configuration for this application?
What milling operations are suitable for this square-end design?
Does HRC65 mean the tool is suitable for every material at exactly 65 HRC?
Which coating or surface treatment should be selected?
What machining conditions should be reviewed before use?
Ordering & Customization FAQs
Information for distributors, tooling brands and customers requesting standard or application-specific configurations.
What standard sizes are available?
Can non-standard dimensions or geometry be manufactured?
Are OEM marking and private-label packaging available?
What information is required for an accurate quotation?
Technical Downloads
Use the following references for product selection and starting cutting-data review.
Solid Carbide End Mill Catalog
Review related square-end, ball-nose, corner-radius and application-specific end mill series.
End Mill Speeds & Feeds Guide
Access reference starting parameters for application review and controlled machining trials.
Need a Size or Application Review?
Send the workpiece grade, hardness, required dimensions, machining operation and quantity for configuration and quotation review.
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.
Drawings, size lists and reference photos are welcome.
