HRC55 4-Flute Solid Carbide Concave-Radius T-Slot Cutter for Steel

  • ◆Precision-ground concave-radius profile for T-slots, recessed grooves and formed transitions
  • ◆4-flute solid carbide geometry supports stable form milling and profile finishing
  • ◆AlTiN-coated configuration for carbon steel, alloy steel, mold steel and tool steel applications

Standard Series:
Ø4–Ø12 mm
Flautas:
4 Flutes
Tipo de ferramenta:
Concave-Radius T-Slot Cutter
Revestimento:
No Coating/TiSiN

Aplicativos:
T-slot milling, recessed groove profiling, concave form milling and profile finishing in carbon steel, alloy steel, mold steel and tool steel.

Consistent Quality

Consistent geometry across repeat orders.

Pedidos flexíveis

Small batches and mixed sizes available.

OEM Support

Custom marking, labels and packaging.

Padrão e personalizado

Standard sizes and custom configurations.

HRC55 Concave-Radius T-Slot Cutter Overview

This 4-flute solid carbide concave-radius T-slot cutter is designed for T-slot machining, recessed groove profiling and formed features that require a smooth concave-radius transition. The profiled cutting head combines T-slot access with a concave cutting form, making it suitable for mold components, steel parts and precision mechanical features that cannot be produced efficiently with a conventional square-end mill. Micro-grain solid carbide construction and an AlTiN-coated steel-oriented configuration provide a rigid platform for CNC profiling and form-milling applications.

Product Series
HRC55
Contagem de flautas
4 Flutes
Profile Type
Concave Radius
Aplicativo principal
Steel T-Slot & Groove Profiling

Concave-Radius T-Slot Geometry

Concave Form Profile

The profiled cutting edge is designed to generate smooth concave-radius transitions in grooves, recessed features and formed profiles.

T-Slot Cutting Structure

The reduced-neck and profiled-head structure provides access to recessed slot and groove features where conventional straight end mills cannot reach the required side profile.

4-Flute Solid Carbide Design

Four cutting edges provide repeated engagement during groove profiling and form milling, while the solid carbide body supports tool rigidity during CNC machining.

Application-Specific Advantages

R

Formed Radius Geometry

Designed for concave transitions and formed groove profiles rather than conventional square-corner cutting.

T

Recessed Feature Access

T-slot-style geometry provides access to side features and recessed groove profiles.

4F

4-Flute Engagement

Four cutting edges support stable engagement during form milling and profile finishing.

OEM

Custom Profile Supply

Profile height, radius geometry, shank size and overall dimensions can be reviewed from drawings.

Recommended Machining Operations

T-Slot Milling
RECOMMENDED
Groove Profiling
RECOMMENDED
Concave Form Milling
RECOMMENDED
Profile Finishing
SUITABLE

Workpiece Material Compatibility

MATERIAL GROUP APPLICATION LEVEL
P Carbon Steel T-slots, formed grooves and profile machining Primary
P Alloy Steel AlTiN-coated configuration according to grade and cutting conditions Primary
P Mold & Tool Steel Profile and recessed groove machining Recommended
Pre-Hardened Steel Review actual hardness, profile engagement and coating before production Application Review

Product Details

solid carbide concave radius T-slot milling cutter
concave profile T-slot cutter for steel
HRC55 4-Flute Solid Carbide Concave-Radius T-Slot Cutter for Steel 1t-slot end mill for aluminum and steel main photo

 

 

Tool Nomenclature & Dimensions

Reference dimensions for the HRC55 4-flute solid carbide concave-radius T-slot cutter series. Standard configurations combine a straight cylindrical shank with a profiled cutting head for recessed groove and T-slot machining. For custom formed profiles, the concave radius, cutting-head dimensions, neck clearance and overall tool geometry should be confirmed from the component drawing.

Dimension Symbols: SHK = shank diameter; D1 = reference cutter diameter; H1 = profile-height dimension shown in the standard specification; L = overall length. For replacement or non-standard tools, confirm the complete profile geometry from a drawing or sample.

Technical Configuration

PARAMETER REFERENCE CONFIGURATION
Tipo de ferramenta Concave-Radius T-Slot Cutter / Form Milling Cutter
Product Series HRC55 Series
Material da ferramenta Micro-Grain Solid Carbide
Contagem de flautas 4 Flutes
Cutting Profile Concave arc / radius profile for T-slots, recessed grooves and formed contours
Revestimento AlTiN reference steel-machining configuration
Tipo de haste Haste cilíndrica reta
Standard Shank Diameters Ø4 / Ø6 / Ø8 / Ø10 / Ø12 mm
H1 Range 0.5–6 mm depending on cutter size
Comprimento total 50 mm / 60 mm standard reference lengths
Primary Workpieces Carbon Steel / Alloy Steel / Mold Steel / Tool Steel
Machining Operations T-Slot Milling / Groove Profiling / Concave Form Milling / Profile Finishing
Personalização Concave radius, profile height, cutter diameter, neck geometry, shank diameter, overall length, coating and marking

Standard Size Matrix

Reference standard dimensions for the concave-radius T-slot cutter series. All dimensions are in millimeters.HRC55 4 flute solid carbide concave radius T-slot cutter

SPECIFICATION SHK D1 H1 L
d4 × 0.5H × 50L 4 4 0.5 50
d4 × 1H × 50L 4 4 1 50
d4 × 1.5H × 50L 4 4 1.5 50
d4 × 2H × 50L 4 4 2 50
d4 × 2.5H × 50L 4 4 2.5 50
d4 × 3H × 50L 4 4 3 50
d4 × 4H × 50L 4 4 4 50
d6 × 0.5H × 50L 6 6 0.5 50
d6 × 1H × 50L 6 6 1 50
d6 × 1.5H × 50L 6 6 1.5 50
d6 × 2H × 50L 6 6 2 50
d6 × 2.5H × 50L 6 6 2.5 50
d6 × 3H × 50L 6 6 3 50
d6 × 4H × 50L 6 6 4 50
d6 × 5H × 50L 6 6 5 50
d8 × 1H × 50L 8 8 1 50
d8 × 1.5H × 50L 8 8 1.5 50
d8 × 2H × 50L 8 8 2 50
d8 × 2.5H × 50L 8 8 2.5 50
d8 × 3H × 50L 8 8 3 50
d8 × 4H × 50L 8 8 4 50
d8 × 5H × 50L 8 8 5 50
d10 × 1H × 50L 10 10 1 50
d10 × 1.5H × 50L 10 10 1.5 50
d10 × 2H × 50L 10 10 2 50
d10 × 2.5H × 50L 10 10 2.5 50
d10 × 3H × 50L 10 10 3 50
d10 × 4H × 50L 10 10 4 50
d10 × 5H × 50L 10 10 5 50
d10 × 6H × 50L 10 10 6 50
d12 × 1H × 60L 12 12 1 60
d12 × 2H × 60L 12 12 2 60
d12 × 2.5H × 60L 12 12 2.5 60
d12 × 3H × 60L 12 12 3 60
d12 × 4H × 60L 12 12 4 60
d12 × 5H × 60L 12 12 5 60
d12 × 6H × 60L 12 12 6 60
Size Note: The table lists the standard SHK, D1, H1 and overall-length combinations supplied in the existing product series. Concave radius, neck clearance and complete form geometry should be confirmed separately when the cutter must match a specific component profile.

T-Slot & Form-Milling Guidance

  • Profile Matching: Confirm the required concave radius and finished groove geometry from the component drawing before selecting the cutter.
  • Pre-Slot Access: For enclosed or recessed T-slot features, confirm that the entry slot and neck clearance provide sufficient access for the cutter head.
  • Engagement: Avoid excessive full-profile engagement where chip evacuation and cutting load may become difficult; select the machining path according to the feature geometry.
  • Toolholding: Use a low-runout holder and the shortest practical overhang to support profile consistency and reduce vibration.
  • Steel Applications: Select coating and cutting conditions according to the actual steel grade, hardness, cutter size and profile engagement.

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
Contagem de flautas 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
Configuração da haste Precision cylindrical shank with standard or drawing-defined shank diameter and clamping length
Ângulo da hélice 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
Nota de engenharia: 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.

Serviços de OEM e marca própria

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.

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
Deslocamento radial 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

Common questions about the HRC55 4-Flute Solid Carbide Concave-Radius T-Slot Cutter for recessed grooves, formed profiles and steel machining.

What is this concave-radius T-slot cutter designed for?
It is designed for T-slot milling, recessed groove profiling and formed features that require a concave-radius transition. The T-slot-style cutting structure provides access to side and recessed profiles that cannot normally be produced with a conventional straight end mill.
What is the difference between this cutter and a standard T-slot cutter?
A standard T-slot cutter normally produces a straight-sided slot profile. This version incorporates a concave formed cutting profile for applications where the groove or transition requires a defined curved geometry.
What do SHK, D1, H1 and L mean in the size table?
SHK refers to the shank diameter, D1 is the reference cutter diameter, H1 is the profile-height dimension used in the listed specification, and L is the overall tool length. For critical formed profiles, the complete cutter drawing should be confirmed before ordering.
Which standard shank sizes are available?
The current standard size matrix includes Ø4, Ø6, Ø8, Ø10 and Ø12 mm shank configurations, with H1 and overall-length options varying according to tool size.
Which steel materials can this cutter machine?
The steel-oriented configuration can be reviewed for carbon steel, alloy steel, mold steel, tool steel and pre-hardened steel. Final cutting conditions should be selected according to the actual grade, hardness, tool size and profile engagement.
Why is AlTiN used on the steel-machining version?
AlTiN is available as the reference coating for this steel-focused configuration. Coating selection should still be matched to the actual workpiece grade, cutting temperature, coolant strategy and required machining conditions.
Does the tool require a pre-machined entry slot?
For many recessed T-slot and undercut-style features, sufficient entry clearance is required before the profiled cutter can reach the final side feature. The required access path depends on cutter-head diameter, neck geometry and the component design.

Ordering & Customization FAQs

Ordering information for distributors, tooling suppliers and OEM customers requiring standard or customized concave-radius T-slot cutters.

Can the concave radius and profile geometry be customized?
Yes. Concave radius, profile height, cutter-head dimensions, neck clearance and related formed geometry can be reviewed according to the component or tool drawing.
Can shank diameter and overall length be customized?
Yes. Shank diameter, neck dimensions and overall length can be reviewed according to holder compatibility, feature depth, component clearance and required tool rigidity.
Can you manufacture a replacement cutter from an existing drawing or sample?
Yes. Existing T-slot or formed cutters can be reviewed from a detailed tool drawing or physical sample. For accurate replacement matching, provide the complete cutter-head profile, radius, neck dimensions, shank size and overall length.
Are alternative coatings available?
Yes. AlTiN is the reference steel-machining coating for this product, while alternative coating configurations can be reviewed according to workpiece material, hardness and cutting conditions.
Are OEM marking and private-label packaging available?
Yes. Laser marking, custom tool codes, private labels and packaging can be reviewed for distributors and OEM customers according to tool dimensions and order quantity.
Qual é o prazo de entrega normal?
When available from stock, standard specifications are generally ready for shipment within 1–3 working days. Lead time for customized profiles or dimensions is confirmed after specification and quantity review.
What information should I provide for quotation?
Please provide the workpiece material and hardness, required concave radius, groove or T-slot profile, cutter-head dimensions, H1 requirement, neck clearance, shank diameter, overall length, machining depth, coating preference and order quantity. A component drawing or existing tool drawing is strongly recommended for non-standard profiles.

Technical Downloads

Reference documents for solid carbide milling tool selection and machining-data review.

Solid Carbide End Mill Catalog

Review specialty form cutters and related solid carbide milling tool series.

View Catalog

End Mill Speeds & Feeds Guide

Access reference starting parameters for machining trials and application review.

View Guide

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