HRC65 Solid Carbide T-Slot Cutters – 4 & 6 Flute for Hardened Steel
HRC65 SOLID CARBIDE T-SLOT CUTTERS – 4 & 6 FLUTE
Solid carbide T-slot cutters for hardened steel, precision undercut milling and mold machining. Available in 4- and 6-flute configurations with standard, extra-long and custom options.
HRC65 Hard Milling
Hardened Steel
4 & 6 Flute Options
Diameter-Matched Designs
Reduced-Neck
Precision Undercutting
Custom Sizes,Lengths
Standard & Extra-Long
HRC65 Solid Carbide T-Slot Cutter Overview
These HRC65 solid carbide T-slot cutters are designed for T-slot finishing, undercutting and recessed-profile machining in selected hardened tool and mold steels. Reduced-neck geometry provides side clearance, with 4- and 6-flute configurations selected by cutter size and application. Standard, extra-long and custom options are available.
Standard & Extra-Long T-Slot Cutters
Hardened Steel Focus
Precision hard-milling applications.
Precision T-Slot Geometry
Recessed slots and undercuts.
4 & 6 Flute Options
Diameter-matched configurations.
Custom Sizes & Reach
Diameter, thickness and length.
T-Slot Cutter Geometry & Performance
Application-matched cutting heads, reduced-neck clearance and flute configurations for precision T-slot milling in hardened steel.
Precision Cutting Head
Thin-head geometry supports precision T-slot milling, recessed grooves and undercut profiles in mold and die components.
Reduced-Neck Clearance
Reduced-neck geometry provides access to recessed features and helps prevent interference during undercut milling.
4- & 6-Flute Configurations
Reference sizes include 4 flutes for Ø3–Ø9 mm and 6 flutes for Ø10–Ø20 mm, supporting different cutter-head sizes and cutting requirements.
Hardened Steel T-Slot Milling Applications
Suitable for precision slots, recessed profiles and undercut features in selected hardened and pre-hardened steels.
- T-Slot Milling — T-shaped grooves and recessed slots.
- Precision Undercutting — Side features requiring neck clearance.
- Mold & Die Machining — Locking grooves and recessed profiles.
- Hard-Milling Finishing — Finishing of pre-machined features.
Best For:
Precision T-slots, recessed undercuts and hardened-steel mold components.
Not Ideal For:
Heavy roughing, excessive cutting engagement or unstable setups.
Workpiece Materials
Hardened Steel
Hardened Mold Steel
Pre-Hardened Steel
Alloy Steel
Confirm coating, cutter configuration and cutting conditions according to the actual workpiece hardness.
Hardened Steel T-Slot Milling Considerations
Stable clamping, sufficient neck clearance and controlled cutting engagement are important for reliable precision undercut milling.
Tool Runout
Use rigid toolholding and minimal overhang to reduce uneven cutting loads.
Neck Clearance
Check entry access, neck dimensions and undercut depth before machining.
Chip Evacuation
Use controlled engagement and effective chip removal in recessed slots.
HRC65 T-Slot Cutter Specifications
Reference dimensions for solid carbide T-slot cutters for hardened steel, designed for precision T-slot milling and undercutting. The 4-flute range covers Ø3–Ø9 mm, with larger 6-flute series options listed for reference.
Coating: AlTiSiN / Nano Blue reference option. Application: Hardened steel, mold steel and precision undercut milling. *Overall length covers the listed 4-flute and 6-flute reference series. Confirm workpiece hardness and coating by configuration.
Standard Reference Sizes
Reference sizes for hardened-steel T-slot cutters. All dimensions are in millimeters; flute count varies by diameter.
| Blade Ø | Thickness (mm) | Head Ø | OAL | Flutes |
|---|---|---|---|---|
| 3 | 1 / 1.5 / 2 / 2.5 / 3 | 6 | 50 | 4 |
| 4 | 1 / 1.5 / 2 / 2.5 / 3 | 6 | 50 | 4 |
| 5 | 1 / 1.5 / 2 / 2.5 / 3 | 10 | 50 | 4 |
| 6 | 1 / 1.5 / 2 / 2.5 / 3 | 10 | 50 | 4 |
| 7 | 1 / 1.5 / 2 / 2.5 / 3 | 12 | 60 | 4 |
| 8 | 1 / 1.5 / 2 / 2.5 / 3 | 12 | 60 | 4 |
| 9 | 1 / 1.5 / 2 / 2.5 / 3 | 15 | 60 | 4 |
| 10 | 1 / 1.5 / 2 / 2.5 / 3 | 15 | 60 | 6 |
| 11 | 1 / 1.5 / 2 / 2.5 / 3 | 15 | 60 | 6 |
| 12 | 1 / 1.5 / 2 / 2.5 / 3 | 15 | 60 | 6 |
| 14 | 1 / 1.5 / 2 / 2.5 / 3 | 20 | 65 | 6 |
| 16 | 1 / 1.5 / 2 / 2.5 / 3 | 20 | 65 | 6 |
| 20 | 1 / 1.5 / 2 / 2.5 / 3 | 25 | 75 | 6 |
Flute Count: Ø3–Ø9 mm: 4 flutes; Ø10–Ø20 mm: 6-flute series reference. Scroll horizontally on mobile to view all columns.
T-Slot Cutter Selection & Custom Options
Select cutting diameter, thickness and head geometry according to the required T-slot profile. Custom dimensions and replacement tools can be reviewed from drawings or samples.
- Slot Clearance: Confirm cutter-head access, neck clearance and cutting depth.
- Hardened Steel Milling: Use low runout, minimal overhang and controlled cutting engagement.
- Custom Orders: Provide tool dimensions, material hardness, drawing and quantity.
HRC65 T-Slot Cutter Customization
Custom solid carbide T-slot cutters for hardened steel, with options for cutting diameter, slot thickness, neck clearance, shank size, tool length and coating. Drawing-based profiles and replacement cutters can be reviewed for precision undercut milling.
Custom T-Slot Geometry
Cutting diameter, thickness, slot profile and neck clearance.
Hard-Milling Options
Coating and cutting-edge geometry matched to workpiece hardness.
Custom & Replacement Tools
Standard or extended lengths, drawing-based profiles and replacement matching.
OEM & Private Label Services
Custom laser marking, tool codes, labels and protective packaging for distributors, tooling brands and OEM orders.
Custom T-Slot Cutter Inquiry
Provide cutter diameter, cutting thickness, neck dimensions, tool length, workpiece hardness and quantity. Drawings or samples are recommended for custom quotations.
Why Choose HY Cutting Tools
Precision Manufacturing Capability
Advanced grinding equipment and controlled production processes support stable supply of standard and custom cutting tools.
Precision Inspection & Quality Control
Inspection verifies critical dimensions, geometry and cutting edges to support consistent quality across repeat orders.
HRC65 T-Slot Cutter FAQs
Common questions about solid carbide T-slot cutters for hardened steel, precision undercut milling and mold machining.
Can this T-slot cutter machine HRC65 hardened steel?
The HRC65 series is designed for hardened-steel applications. Actual suitability depends on material grade, workpiece hardness, cutter geometry, coating and machining conditions. Confirm the selected configuration before cutting.
Which materials are suitable for this T-slot cutter?
Primary applications include hardened steel and mold steel. Pre-hardened and alloy steels may also be suitable with application-matched cutting conditions.
How do I select the correct T-slot cutter size?
Match the cutting diameter, slot thickness, head diameter and overall length to the required T-slot profile. Check entry clearance and machining depth before ordering.
What is the difference between 4-flute and 6-flute configurations?
The reference size chart lists 4-flute cutters from Ø3–Ø9 mm and 6-flute configurations from Ø10–Ø20 mm. Flute count should be confirmed with the selected diameter and cutting conditions.
Why is neck clearance important for T-slot milling?
The reduced-neck design provides clearance behind the cutter head for recessed T-slots and undercuts. Neck dimensions must match the slot depth and surrounding workpiece geometry.
How can tool breakage be reduced in hardened-steel T-slot milling?
Use rigid toolholding, minimal overhang, controlled cutting engagement and effective chip removal. Ensure adequate entry clearance before machining the undercut.
Which coating is suitable for hardened-steel T-slot milling?
AlTiSiN / Nano Blue is a reference hard-milling coating option. Final coating selection depends on workpiece hardness, cutting temperature and tool configuration.
Ordering & Customization FAQs
Custom T-slot profiles, replacement cutters and OEM supply.
Can you manufacture custom T-slot cutters from drawings or samples?
Yes. Custom cutting diameters, thicknesses, neck geometry, lengths and replacement profiles can be reviewed according to drawings or existing tool samples.
Are sample orders and OEM private-label services available?
Trial quantities, laser marking, custom labels and private-label packaging can be reviewed according to the selected specification and order quantity.
What information is required for a T-slot cutter quotation?
Provide cutter dimensions, slot profile, workpiece material, hardness, machining depth and quantity. Drawings are recommended for non-standard T-slot cutters.
Need Sizes, Pricing or Custom Options?
Send your specifications and quantity for a quote.
- Standard Sizes
- Small Trial Orders
- Mixed Sizes
- OEM & Custom
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