HRC55 — مثقاب مربع ذو 4 شفرات من الكربيد الصلب للفولاذ وسبائك الفولاذ
جودة متسقة
Consistent geometry across repeat orders.
الطلبات المرنة
Small batches and mixed sizes available.
OEM Support
Custom marking, labels and packaging.
قياسي ومخصص
Standard sizes and custom configurations.
HRC55 4-Flute Carbide Square End Mill
This HRC55-series 4-flute solid carbide square end mill is designed for efficient CNC milling of carbon steel, alloy steel and confirmed pre-hardened or mold steel. Its rigid carbide core, four cutting edges and precision-ground square-end profile support stable side milling, profiling, shoulder milling, pocketing and finishing. Standard diameters from Ø1 to Ø20 mm are available with AlTiN, TiSiN and application-matched coating options.
Precision-Ground Cutting Geometry
The ground cutting geometry supports edge sharpness, consistent tooth engagement and stable chip flow during steel milling.
الميزات الرئيسية
Solid Carbide Rigidity
A rigid carbide substrate supports dimensional stability in steel machining.
Four-Flute Efficiency
Four cutting edges support productive side milling and finishing.
Square-End Accuracy
Flat-bottom geometry produces pockets and defined 90° shoulders.
Coating Flexibility
AlTiN, TiSiN or another coating can be selected by steel grade and conditions.
Product Gallery
Recommended Applications
Stable Wall Finishing
Side-wall machining with controlled radial engagement and low runout.
Slot & Pocket Milling
Selected slotting and pocketing with appropriate chip evacuation.
Profile Machining
Clean contours and accurate external steel features.
Steel & Alloy Steel
General CNC machining of confirmed carbon, alloy and mold steels.
Application Reference
الفولاذ الكربوني
Suitable for general side milling, profiling, shoulder milling and finishing under stable cutting conditions.
سبائك الصلب
Coating and cutting parameters can be matched to the alloy grade, hardness and machining engagement.
Pre-Hardened & Mold Steel
Selected applications up to the HRC55 series range after confirming material grade and machining conditions.
HRC55 Square End Mill Machining Video
المواصفات الفنية
Reference specifications for the HRC55 4-flute solid carbide square end mill for steel and alloy steel.
| PARAMETER | REFERENCE CONFIGURATION |
|---|---|
| المواد | الكربيد الصلب |
| المزامير | 4 |
| النوع | Square / flat end mill |
| Series Hardness | HRC55 upper target under selected conditions |
| الطلاء | AlTiN / TiSiN / application-specific option |
| زاوية اللولب الحلزوني | 35° / 38° according to selected configuration |
| نطاق القطر | Ø1–Ø20 mm |
| الطول الإجمالي | 50–100 mm in the listed standard series |
| Primary Workpieces | Carbon steel, alloy steel and confirmed pre-hardened steel |
Tool Nomenclature & Dimensions
D: قطر القطع L1: طول الناي d: قطر الساق L: الطول الإجمالي
Standard Size Matrix
All dimensions are in millimeters.
| SPECIFICATION | D | L1 | d | L | FLUTES |
|---|---|---|---|---|---|
| Φ1 × 3 × 4D × 50L | 1 | 3 | 4 | 50 | 4 |
| Φ2 × 6 × 4D × 50L | 2 | 6 | 4 | 50 | 4 |
| Φ3 × 9 × 4D × 50L | 3 | 9 | 4 | 50 | 4 |
| Φ3 × 9 × 3D × 50L | 3 | 9 | 3 | 50 | 4 |
| Φ4 × 12 × 4D × 50L | 4 | 12 | 4 | 50 | 4 |
| Φ5 × 13 × 5D × 50L | 5 | 13 | 5 | 50 | 4 |
| Φ5 × 13 × 6D × 50L | 5 | 13 | 6 | 50 | 4 |
| Φ6 × 15 × 6D × 50L | 6 | 15 | 6 | 50 | 4 |
| Φ8 × 20 × 8D × 60L | 8 | 20 | 8 | 60 | 4 |
| Φ8 × 24 × 8D × 60L | 8 | 24 | 8 | 60 | 4 |
| Φ9 × 25 × 10D × 75L | 9 | 25 | 10 | 75 | 4 |
| Φ10 × 25 × 10D × 75L | 10 | 25 | 10 | 75 | 4 |
| Φ10 × 30 × 10D × 75L | 10 | 30 | 10 | 75 | 4 |
| Φ12 × 30 × 12D × 75L | 12 | 30 | 12 | 75 | 4 |
| Φ14 × 45 × 14D × 100L | 14 | 45 | 14 | 100 | 4 |
| Φ20 × 45 × 20D × 100L | 20 | 45 | 20 | 100 | 4 |
Reference Cutting Ranges
Preliminary Vc and fz ranges from the supplied source. Adjust for diameter, actual hardness, coating, engagement, holder condition and machine rigidity.
| WORKPIECE | HARDNESS | Vc | fz |
|---|---|---|---|
| Carbon / Alloy Steel | <30 HRC | 120–180 m/min | 0.02–0.12 mm/tooth |
| Pre-Hardened Steel | 30–45 HRC | 80–120 m/min | 0.02–0.08 mm/tooth |
| فولاذ مقوى | 45–55 HRC | 40–70 m/min | 0.01–0.05 mm/tooth |
Setup Guidance
Low Runout
Use a clean precision holder and verify tool runout.
Short Overhang
Keep tool projection as short as the operation permits.
Chip Removal
Use stable air blow, oil mist or suitable coolant according to the coating.
HRC55 4-Flute Square End Mill Customization
Cutting diameter, flute length, overall length, shank dimensions, helix geometry, square-end profile, cutting-edge preparation and coating can be configured according to the steel grade, workpiece hardness, machining operation and production requirements. Standard and drawing-based configurations are available for carbon steel, alloy steel and selected pre-hardened or mold-steel applications.
Dimensions & Reach
Cutting diameter, flute length, shank diameter, overall length and selected reduced-neck configurations can be manufactured according to the required feature and machining reach.
4-Flute Geometry
Flute form, helix angle, rake geometry and core thickness can be reviewed to balance tool rigidity, chip control and cutting efficiency in steel milling.
End & Edge Profile
Square-end geometry, center-cutting capability, gash design, corner condition and cutting-edge preparation can be matched to slotting, side milling, shoulder milling or finishing.
اختيار الطلاء
AlTiN, TiSiN and other application-specific coatings can be selected according to the steel grade, hardness, cutting temperature, coolant method and required tool life.
| PARAMETER | MANUFACTURING CAPABILITIES |
|---|---|
| قطر القطع | Standard Ø1–Ø20 mm range, with selected intermediate and non-standard diameters reviewed according to the confirmed tool drawing |
| عدد الناي | Standard 4-flute configuration for stable side milling, profiling, shoulder milling and finishing of steel and alloy steel |
| Flute & Overall Length | Standard, long-series and drawing-defined flute-length, reach and overall-length configurations |
| Shank Configuration | Precision cylindrical shank with standard or drawing-defined shank diameter and clamping length |
| Helix Geometry | Standard 35° or 38° helix options, with selected geometry adjustments reviewed according to the steel grade, chip formation and machining operation |
| Square-End Profile | Flat-bottom square-end geometry for pockets and 90° shoulders, with center-cutting capability confirmed by the selected configuration |
| Edge Preparation | Cutting-edge preparation, end-face grinding, gash geometry and corner condition matched to the workpiece hardness and cutting load |
| اختيار الطلاء | AlTiN, TiSiN or another application-specific coating selected according to the steel grade, hardness, cutting temperature and coolant conditions |
| Milling Application | Geometry can be reviewed for side milling, profiling, shoulder milling, pocketing, semi-finishing and finishing operations |
| Dimensional Tolerance | Standard production tolerances or drawing-defined requirements for cutting diameter, flute length, shank diameter, overall length, runout and square-end geometry |
خدمات التصنيع حسب الطلب (OEM) والعلامات التجارية الخاصة
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 |
| نفاد شعاعي | 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.
فحص الحافة
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 HRC55 4-Flute Solid Carbide Square End Mill for Steel and Alloy Steel.
What materials is this square end mill designed to machine?
Why use the 4-flute configuration for this application?
What milling operations are suitable for this square-end design?
What does the HRC55 series designation mean?
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.
