HRC45 4-Flute Inch-Size Carbide Square End Mill for Steel
Fractional-Inch Sizes
Stable Steel Milling
AlTiN-Coated
Flexible B2B Supply
HRC45 4 Flute Inch Size Carbide End Mill Overview
This HRC45 4-flute inch-size carbide square end mill features an AlTiN coating for side milling, shoulder milling and finishing in carbon steel, alloy steel and selected tool steels. Available in 1/16″–3/4″ fractional-inch sizes, with mixed-size orders and repeat supply for distributor stocking.
Key Features
Fractional Inch-Size Range
Standard cutting diameters from 1/16″ to 3/4″.
4-Flute AlTiN-Coated Design
Four cutting edges and AlTiN coating for suitable steel milling.
Mixed-Size Orders
Flexible inch-size combinations for distributors and importers.
Repeat Supply & OEM
Specification-based repeat orders and private-label options.
Product Gallery
Inch-size carbide square end mill series, cutting geometry and available configurations.
Technical Specifications
Reference specifications for HRC45 4-flute inch-size carbide end mills.
| Parameter | Reference Specification |
|---|---|
| Substrate | Fine-grain solid carbide |
| Tool Type | Square / flat-end mill |
| Flutes | 4 |
| Size System | Fractional inch |
| Diameter Range | 1/16"–3/4" |
| Coating | AlTiN |
| Workpiece | Carbon, alloy and selected tool steels |
| Application | Steel milling up to HRC45* |
Inch-Size Dimensions
D: Cutting Diameter · LOC: Length of Cut · d: Shank · OAL: Overall Length. All dimensions in inches.
| D | LOC | Shank | OAL | Z |
|---|---|---|---|---|
| 1/16 | 1/4 | 1/8 | 1-1/2 | 4 |
| 1/8 | 3/8 | 1/8 | 1-1/2 | 4 |
| 1/8 | 1/2 | 1/8 | 1-1/2 | 4 |
| 5/32 | 1/2 | 5/32 | 2 | 4 |
| 3/16 | 5/8 | 3/16 | 2 | 4 |
| 1/4 | 3/4 | 1/4 | 2-1/2 | 4 |
| 5/16 | 13/16 | 5/16 | 2-1/2 | 4 |
| 3/8 | 1 | 3/8 | 2-1/2 | 4 |
| 7/16 | 2 | 7/16 | 4 | 4 |
| 1/2 | 1 | 1/2 | 3 | 4 |
| 1/2 | 1-1/4 | 1/2 | 3 | 4 |
| 1/2 | 2 | 1/2 | 4 | 4 |
| 5/8 | 2 | 5/8 | 4 | 4 |
| 3/4 | 2 | 3/4 | 4 | 4 |
Z: Number of flutes. Dimensions are reference configurations; confirm availability by model.
Need More Inch Sizes?
Contact our sales team for additional sizes, custom dimensions and availability.
HRC45 4 Flute Square End Mill Customization
The cutting diameter, flute length, overall length, shank diameter, helix geometry, cutting-edge preparation and dimensional tolerances shown below can be customized to your requirements.
OEM & Private Label
Custom laser marking, product labels and branded packaging are available. See our OEM & Private Label Services.
Quality, Inspection & Delivery
Precision inspection, consistent batch quality and reliable delivery support standard inch-size orders and repeat supply.
Quality Control & Common Problems
Dimensional inspection, cutting-edge checks and common milling problem analysis support stable machining performance.
Protective & Export Packaging
Individual tool protection, batch identification and export packaging support safe handling and international delivery.
Delivery & Repeat Supply
Lead time, packaging and shipment methods are confirmed by order quantity and destination. Mixed-size orders and repeat supply are supported.
Product & Application FAQs
Common questions about inch-size end mill selection and steel milling.
What materials can this end mill machine?
Why choose a 4-flute AlTiN-coated end mill?
Which milling operations are suitable?
What inch sizes are available?
Ordering & OEM FAQs
Standard orders, customization and private-label options.
Are mixed-size and repeat orders supported?
Can I order custom sizes and OEM packaging?
What information is needed for a quotation?
Technical Downloads
Catalog and reference cutting data.
Solid Carbide End Mill Catalog
End mill series and size references.
End Mill Speeds & Feeds Guide
Reference cutting parameters.
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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