HRC70, End Mill Persegi Berbahan Karbida Padat 4-Flute untuk Baja yang Diuapkan

Engineered for hardened steel, die steel, and heat-treated alloys up to 70 HRC

  • TiSiN nano coating for high heat resistance and coating stability
  • Ultra-fine 0.2μm carbide substrate for improved wear resistance
  • Reinforced core for rigid finishing
  • Designed for hardened steel up to 70 HRC
Bahan
Solid Carbide
Seruling
4 Flutes
Jenis
Pabrik Ujung Persegi
Kekerasan
HRC70
Pelapisan
TiSiN Nano Coating
Bahan Benda Kerja
Hardened Steel / Die Steel / Alloy Steel

Kualitas yang Konsisten

Geometri yang konsisten pada setiap pesanan berulang.

Pesanan Fleksibel

Tersedia dalam jumlah kecil dan berbagai ukuran.

Dukungan OEM

Penandaan khusus, label, dan kemasan.

Standar & Khusus

Ukuran standar dan konfigurasi khusus.

HRC70 4-Flute Solid Carbide Square End Mill Overview

This HRC70-series 4-flute solid carbide square end mill is developed for finishing hardened steel and other confirmed high-hardness workpieces. Its TiSiN nano coating, ultra-fine 0.2 μm carbide matrix, reinforced core and strengthened cutting-edge geometry support thermal stability, edge strength and dimensional consistency under controlled hard-milling conditions.

HARDNESS RANGEUp to HRC70*
FLUTE DESIGN4 Flutes
COATINGTiSiN Nano
PRIMARY USEHard Milling Finish

Product Machining Video

HRC70 4-Flute Square End Mill Machining Video

Advanced TiSiN Nano Coating

Advanced TiSiN nano coating detail

The TiSiN nano coating supports surface hardness and thermal resistance, helping the cutting edge remain stable at elevated cutting temperatures. It is intended for controlled dry or air-assisted finishing of hardened steels and high-hardness alloys.

Application note: Confirm the actual workpiece grade, hardness and cutting conditions before machining near the upper hardness range.

Ultra-Fine Carbide & Reinforced Core

Ultra-fine 0.2 micrometer carbide matrix

Ultra-Fine 0.2 μm Matrix

Supports coating adhesion, wear resistance and micro-chipping control in finishing operations.

Reinforced core rigidity structure

Reinforced Core Rigidity

Helps limit tool deflection and supports dimensional consistency during light hard-milling engagement.

Optimized Cutting-Edge Geometry

Optimized cutting-edge geometry for hardened steel

Strengthened Square-End Profile

The edge profile is configured to resist premature chipping under high cutting resistance while supporting flat-bottom features and defined shoulders.

Four-Flute Stability

Four cutting edges and a reinforced core support light side milling and finishing where rigidity and surface consistency are priorities.

Hardened-Steel Finishing Applications

Hardened Die & Mold

Finishing SKD11, D2, DC53, H13 and comparable heat-treated die steels.

Precision Gear Features

Selected induction-hardened gear, spline and wear-resistant component features.

Hardened Structural Parts

Finishing operations requiring controlled surface quality and dimensional consistency.

Setup Note: Use a rigid machine and precision holder, minimize tool overhang and apply conservative radial and axial engagement.

Spesifikasi Teknis

Reference specifications for the HRC70 4-flute solid carbide square end mill series. Final size, coating, tolerance and suitability are confirmed by selected configuration and application conditions.

PARAMETER REFERENCE CONFIGURATION
Jenis Alat 4-flute solid carbide square end mill
Series Positioning HRC70 hardened-steel finishing series
Carbide Matrix Ultra-fine 0.2 μm carbide substrate
Pelapisan TiSiN nano coating
Kisaran Diameter Ø1–Ø20 mm reference sizes
Panjang Keseluruhan 50–100 mm according to diameter
Coolant Strategy Dry machining or air blast preferred for the listed hard-milling reference data

Tool Nomenclature & Dimensions

Square End Mill Geometry &Typical Applications hy cuttingHRC70 4-flute square end mill dimensional reference

D: Diameter Pemotongan   L1: Panjang Seruling   D1: Diameter Shank   L: Panjang Keseluruhan

Standard Size Matrix

No. Diameter D Flute Length L1 Shank D1 Panjang Total L
1 1.0 4 3 50
2 1.5 4 4 50
3 2.0 4 5 50
4 2.5 4 6 50
5 3.0 3 8 50
6 3.0 4 8 50
7 3.5 4 10 50
8 4.0 4 10 50
9 5.0 5 13 50
10 5.0 6 13 50
11 6.0 6 15 50
12 7.0 8 20 60
13 8.0 8 20 60
14 9.0 10 25 75
15 10.0 10 30 75
16 11.0 12 30 75
17 12.0 12 30 75
18 13.0 14 45 100
19 14.0 14 45 100
20 15.0 16 45 100
21 16.0 16 45 100
22 18.0 18 45 100
23 20.0 20 45 100
Size Note: All dimensions are in millimeters. Confirm availability, tolerances and coating before ordering.

Recommended Starting Cutting Parameters

Reference finishing data from the original product information. Adjust for actual hardness, engagement, rigidity, overhang and surface requirement.

Diameter D Vc Fz Spindle n Feed Vf
4.0 mm 50 m/min 0.010 mm/tooth 4,000 RPM 160 mm/min
6.0 mm 50 m/min 0.012 mm/tooth 2,650 RPM 125 mm/min
8.0 mm 50 m/min 0.015 mm/tooth 2,000 RPM 120 mm/min
10.0 mm 55 m/min 0.018 mm/tooth 1,750 RPM 125 mm/min
12.0 mm 55 m/min 0.018 mm/tooth 1,460 RPM 105 mm/min

Hard-Milling Setup Guidance

High-Rigidity Setup

Use a rigid machine, spindle and precision shrink-fit or hydraulic holder.

Short Tool Overhang

Keep extension as short as possible to reduce deflection and vibration.

Light Finishing Engagement

Use conservative radial and axial engagement to reduce edge-chipping risk.

HRC70 4-Flute Square End Mill Customization

Cutting diameter, flute length, shank dimensions, overall length, four-flute geometry, reinforced core design, cutting-edge preparation and TiSiN coating can be reviewed according to the hardened-steel grade, actual workpiece hardness, finishing operation, tool engagement, machine rigidity and required dimensional accuracy. Non-standard dimensions and selected geometry adjustments are confirmed through technical review.

PARAMETER MANUFACTURING CAPABILITIES
Diameter Pemotongan Reference Ø1–Ø20 mm range, with selected intermediate and non-standard diameters reviewed according to the approved tool drawing
Flute Count Four-flute configuration with a reinforced core for controlled side milling, shoulder finishing and selected hardened-steel machining operations
Carbide Substrate Ultra-fine 0.2 μm carbide matrix selected to support cutting-edge strength, coating stability and wear resistance in high-hardness finishing applications
Flute & Overall Length Reference flute lengths and overall lengths from 50 to 100 mm, with selected drawing-defined length configurations reviewed according to tool rigidity and machining reach
Konfigurasi Shank Precision cylindrical shank with standard or drawing-defined shank diameter and clamping length for high-rigidity holders
Core & Flute Geometry Reinforced core, four-flute form and application-specific helix geometry reviewed according to the workpiece hardness, cutting engagement and required finishing stability
Square-End Geometry Precision flat-bottom square-end profile for finishing slots, pocket floors and 90° shoulders, with center-cutting capability confirmed by selected configuration
Edge Preparation Strengthened cutting-edge preparation, end-face grinding, gash geometry and corner condition reviewed according to the actual workpiece hardness and cutting load
Coating Selection TiSiN nano coating configured for thermal stability, surface hardness and wear resistance in controlled hardened-steel finishing conditions
Hard-Milling Application Geometry can be reviewed for finishing hardened die steel, heat-treated alloy steel, tool steel and selected induction-hardened components
Coolant Strategy Dry machining or stable air blast is preferred for the reference hard-milling application, subject to the workpiece, machine and cutting conditions
Dimensional Tolerance Standard production tolerances or drawing-defined requirements for cutting diameter, flute length, shank diameter, overall length, runout and square-end geometry
Catatan Teknik: 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.

Layanan OEM & Merek Pribadi

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

Quality Control

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

Need OEM or private-label supply for this product? Lihat Layanan OEM & Merek Pribadi kami for custom marking, branded packaging, mixed-size orders and repeat supply.

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 HRC70 4-Flute Solid Carbide Square End Mill for Hardened Steel.

What materials is this square end mill designed to machine?
It is intended for selected high-hardness tool and mold steels under rigid, controlled machining conditions. The exact grade, hardness, operation and machine setup require application review before use.
Why use the 4-flute configuration for this application?
The four-flute design combines multiple cutting edges with a rigid core for controlled profiling and finishing. Conservative engagement and stable toolholding are particularly important near the upper hardness range.
What milling operations are suitable for this square-end design?
The square-end profile is suitable for profiling, side milling, semi-finishing and finishing of selected high-hardness components. It supports flat-bottom features and 90° shoulders. Ramping and plunge capability should be confirmed according to the exact center-cutting geometry.
Does HRC70 guarantee machining performance at 70 HRC?
No. HRC70 identifies the series target under selected conditions. It does not guarantee suitability for every material at 70 HRC; grade, operation, engagement, runout, overhang and machine rigidity must be reviewed.
Which coating or surface treatment should be selected?
A coating and carbide substrate developed for high cutting temperatures should be selected according to the exact hardened-steel grade and machining conditions.
What machining conditions should be reviewed before use?
Review the exact workpiece grade and hardness, tool diameter, flute length, tool overhang, axial and radial engagement, holder runout, machine rigidity, chip evacuation and coolant or lubrication strategy. Starting parameters should be verified through a controlled machining trial.

Ordering & Customization FAQs

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

What standard sizes are available?
Selected standard metric sizes are available. Confirm the diameter, flute length, shank, overall length, coating and actual workpiece hardness before ordering.
Can non-standard dimensions or geometry be manufactured?
Yes. Selected dimensions, neck reach, edge preparation and coating may be reviewed subject to high-hardness application requirements. Custom dimensions and tolerances are confirmed before production.
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 marking area, confirmed packaging specification and order quantity.
What information is required for an accurate quotation?
Please provide the workpiece grade, measured hardness, exact dimensions, operation, engagement, machine and holder information and quantity. A tool drawing or component drawing 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 square-end, ball-nose, 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 workpiece grade, hardness, required dimensions, machining operation and quantity for configuration and quotation review.

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