Why Choose Landun for Custom Tools

Four Ways We Customize Your Tool

Every custom order goes through our in-house engineering review — we don't just manufacture, we optimize. Geometry, coating, coolant, and branding are all handled under one roof at our 3,000 m² facility in Changzhou.

  • Dimensional Customization
  • Advanced Geometry
  • Coatings & Coolant
  • OEM / ODM & Private Label
  • DXF / STEP / PDF Accepted
  • DFM Review Included
Factory Direct

Factory Direct

Own 3,000 m² facility in Changzhou. Grinding, PVD coating, and inspection all in-house — competitive pricing without quality compromise.

Free DFM Engineering Review

Free DFM Engineering Review

Send your drawing. Our engineers assess manufacturability, recommend optimizations, and provide feedback within 3–5 business days.

100% Dimensional Inspection

100% Dimensional Inspection

Every custom batch verified with CNC tool measuring machines. Inspection report and material certificates shipped with every order.

Short Lead Times

Short Lead Times

Standard custom orders delivered in 2–4 weeks. Prototype samples available in 7–10 days for design validation before full production.

Dimensional Customization — Precision to Your Specs

Custom Diameters & Lengths

Custom Diameters & Lengths

From micro-drills starting at 0.05 mm to extra-long deep-hole drills up to 30xD / 50xD. Any combination of flute length, overall length, and neck diameter.

  • Ø0.05 mm min
  • 50xD max depth
  • Custom OAL
Specialized Shank Types

Specialized Shank Types

Options for Straight, Weldon, Whistle Notch, or tapered shanks — fully compatible with high-precision tool holders and shrink-fit chucks.

  • Straight
  • Weldon Flat
  • Whistle Notch
  • Tapered
Ultra-Tight Tolerances

Ultra-Tight Tolerances

Precision grinding up to h6 or custom tolerance classes to ensure perfect fit and minimal runout. Critical for micro-drilling and high-speed applications.

  • h6 tolerance
  • Custom class
  • Min runout

Advanced Geometry & Design

Step & Sub-land Drills

Step & Sub-land Drills

Multi-stage designs combine drilling, chamfering, and counterboring in one pass — eliminating tool changes and improving hole-to-chamfer concentricity.

  • 2–3 stages
  • Drill + Chamfer
  • Drill + Counterbore
Point Angle Optimization

Point Angle Optimization

Custom point angles tailored to your workpiece material — from 118° for soft materials to 140° for steel and specialized XR / X-thinning for difficult alloys.

  • 118°
  • 135°
  • 140°
  • XR Thinning
Flute Configuration

Flute Configuration

Variable helix angles and specialized flute shapes — high helix for aluminum, standard for steel, and custom geometries for tough alloys like Inconel or titanium.

  • Variable Helix
  • High-Helix Al
  • Custom Flute

Performance Enhancements — Coolant & Coating

Coating Selection Guide

Coating Hardness Max Temp Best For
TiAlN 3,300 HV 800°C Steel, SS, General
AlTiN 3,500 HV 900°C Dry cutting, High-speed
DLC 5,000 HV 350°C Aluminum, Copper, Brass
Diamond (CVD) 9,000 HV 600°C Graphite, CFRP, Composites
AlCrN 3,200 HV 1,100°C Hardened steel, Mold

 Internal Coolant Solutions

Through-coolant holes — straight or helical — deliver fluid directly to the cutting edge for superior cooling and chip evacuation in deep-hole drilling.

Straight Through-Coolant

Axial delivery at drill tip. Standard for semi-deep holes up to 8xD.

Helical Through-Coolant

Superior evacuation at extended reach. For deep holes and difficult materials.

Edge Prep (Honing)

Custom edge rounding or T-land to prevent chipping and improve edge strength.

Coolant Pressure

Compatible up to 100 bar for high-performance spindles.

OEM / ODM & Private Labeling

Drawing-to-Tool Service

Drawing-to-Tool Service

Send DXF / STEP / PDF. We provide a free DFM review — geometry feasibility, material & coating recommendations, tolerance analysis, and prototype timeline.

Laser Etching & Branding

Laser Etching & Branding

Professional branding on shanks — logo, part numbers, and QR codes. Permanent laser etching for full traceability and a professional finish on your branded tooling line.

Custom Packaging

Custom Packaging

Private label options with specialized protective tubes, branded boxes, and custom labels. Suitable for resellers, distributors, and retail tool programs.

Full Documentation

Full Documentation

Material certificates, dimensional inspection reports, and coating test data with every order. Traceability for ISO 9001, AS9100, and ISO 13485 supply chains.

Material Selection

Choose by Material

Find the right standard carbide drill according to your workpiece material. Each variant is optimized in grade, geometry, and coating for the specific cutting conditions.
For Steel

For Steel

Stable Machining for Carbon & Alloy Steel
For Stainless Steel

For Stainless Steel

Optimized for High-Alloy Materials
For Aluminum

For Aluminum

Lightweight Material Machining
For Cast Iron

For Cast Iron

High-Load Material Drilling
Note: Alloy properties vary by temper, profile design and application. Please send drawings or samples for engineering review.View the Complete Materials

Custom Tooling Solutions

Advanced Customization & Manufacturing Capabilities

Landun CNC Tool provides full-service custom carbide tooling solutions, from dimensional customization to specialized coatings and geometry. Our integrated production ensures high precision, stable performance, and fast turnaround for OEM and industrial clients.

Case Studies

Our Real-life Cases

Explore real machining cases across automotive, aerospace, medical, and industrial manufacturing to see how our carbide cutting tools improve accuracy, efficiency, and tool life in different production environments.
Dimensional Customization — Precision to Your Specs
Alloy
Finish
[{"url":"/uploads-ld/2605/options-1.png","width":36,"height":36,"duration":null,"link":"","caption":"Custom Diameters & Lengths","summary":"<p>From micro-drills starting at&nbsp;<strong>0.05 mm</strong>&nbsp;to extra-long deep-hole drills up to&nbsp;<strong>30xD / 50xD</strong>. Any combination of flute length, overall length, and neck diameter.</p>\n\n<ul>\n\t<li>Ø0.05 mm min</li>\n\t<li>50xD max depth</li>\n\t<li>Custom OAL</li>\n</ul>\n"},{"url":"/uploads-ld/2605/options-2.png","width":36,"height":36,"duration":null,"link":"","caption":"Specialized Shank Types","summary":"<p>Options for&nbsp;<strong>Straight, Weldon, Whistle Notch</strong>, or tapered shanks — fully compatible with high-precision tool holders and shrink-fit chucks.</p>\n\n<ul>\n\t<li>Straight</li>\n\t<li>Weldon Flat</li>\n\t<li>Whistle Notch</li>\n\t<li>Tapered</li>\n</ul>\n"},{"url":"/uploads-ld/2605/options-3.png","width":36,"height":36,"duration":null,"link":"","caption":"Ultra-Tight Tolerances","summary":"<p>Precision grinding up to&nbsp;<strong>h6</strong>&nbsp;or custom tolerance classes to ensure perfect fit and minimal runout. Critical for micro-drilling and high-speed applications.</p>\n\n<ul>\n\t<li>h6 tolerance</li>\n\t<li>Custom class</li>\n\t<li>Min runout</li>\n</ul>\n"}]
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Advanced Geometry & Design
Alloy
Finish
[{"url":"/uploads-ld/2605/options-4.png","width":36,"height":36,"duration":null,"link":"","caption":"Step & Sub-land Drills","summary":"<p>Multi-stage designs combine&nbsp;<strong>drilling, chamfering, and counterboring</strong>&nbsp;in one pass — eliminating tool changes and improving hole-to-chamfer concentricity.</p>\n\n<ul>\n\t<li>2–3 stages</li>\n\t<li>Drill + Chamfer</li>\n\t<li>Drill + Counterbore</li>\n</ul>\n"},{"url":"/uploads-ld/2605/options-5.png","width":36,"height":36,"duration":null,"link":"","caption":"Point Angle Optimization","summary":"<p>Custom point angles tailored to your workpiece material — from&nbsp;<strong>118° for soft materials</strong>&nbsp;to&nbsp;<strong>140° for steel</strong>&nbsp;and specialized XR / X-thinning for difficult alloys.</p>\n\n<ul>\n\t<li>118°</li>\n\t<li>135°</li>\n\t<li>140°</li>\n\t<li>XR Thinning</li>\n</ul>\n"},{"url":"/uploads-ld/2605/options-6.png","width":36,"height":36,"duration":null,"link":"","caption":"Flute Configuration","summary":"<p>Variable helix angles and specialized flute shapes —&nbsp;<strong>high helix for aluminum</strong>, standard for steel, and custom geometries for tough alloys like Inconel or titanium.</p>\n\n<ul>\n\t<li>Variable Helix</li>\n\t<li>High-Helix Al</li>\n\t<li>Custom Flute</li>\n</ul>\n"}]
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Performance Enhancements — Coolant & Coating

Performance Enhancements — Coolant & Coating

 Internal Coolant Solutions Through-coolant holes — str ...
Alloy
Finish
[{"url":"","width":null,"height":null,"duration":null,"link":"","caption":"Straight Through-Coolant","summary":"<p>Axial delivery at drill tip. Standard for semi-deep holes up to 8xD.</p>\n"},{"url":"","width":null,"height":null,"duration":null,"link":"","caption":"Helical Through-Coolant","summary":"<p>Superior evacuation at extended reach. For deep holes and difficult materials.</p>\n"},{"url":"","width":null,"height":null,"duration":null,"link":"","caption":"Edge Prep (Honing)","summary":"<p>Custom edge rounding or T-land to prevent chipping and improve edge strength.</p>\n"},{"url":"","width":null,"height":null,"duration":null,"link":"","caption":"Coolant Pressure","summary":"<p>Compatible up to 100 bar for high-performance spindles.</p>\n"}]
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<table> <thead> <tr> <th>Coating</th> <th>Hardness</th> <th>Max Temp</th> <th>Best For</th> </tr> </thead> <tbody> <tr> <td>TiAlN</td> <td>3,300 HV</td> <td>800°C</td> <td>Steel, SS, General</td> </tr> <tr> <td>AlTiN</td> <td>3,500 HV</td> <td>900°C</td> <td>Dry cutting, High-speed</td> </tr> <tr> <td>DLC</td> <td>5,000 HV</td> <td>350°C</td> <td>Aluminum, Copper, Brass</td> </tr> <tr> <td>Diamond (CVD)</td> <td>9,000 HV</td> <td>600°C</td> <td>Graphite, CFRP, Composites</td> </tr> <tr> <td>AlCrN</td> <td>3,200 HV</td> <td>1,100°C</td> <td>Hardened steel, Mold</td> </tr> </tbody> </table>
表格
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OEM / ODM & Private Labeling
Alloy
Finish
[{"url":"/uploads-ld/2605/options-7.png","width":36,"height":36,"duration":null,"link":"","caption":"Drawing-to-Tool Service","summary":"<p>Send DXF / STEP / PDF. We provide a free DFM review — geometry feasibility, material &amp; coating recommendations, tolerance analysis, and prototype timeline.</p>\n"},{"url":"/uploads-ld/2605/options-8.png","width":36,"height":36,"duration":null,"link":"","caption":"Laser Etching & Branding","summary":"<p>Professional branding on shanks — logo, part numbers, and QR codes. Permanent laser etching for full traceability and a professional finish on your branded tooling line.</p>\n"},{"url":"/uploads-ld/2605/options-9.png","width":36,"height":36,"duration":null,"link":"","caption":"Custom Packaging","summary":"<p>Private label options with specialized protective tubes, branded boxes, and custom labels. Suitable for resellers, distributors, and retail tool programs.</p>\n"},{"url":"/uploads-ld/2605/options-10.png","width":36,"height":36,"duration":null,"link":"","caption":"Full Documentation","summary":"<p>Material certificates, dimensional inspection reports, and coating test data with every order. Traceability for ISO 9001, AS9100, and ISO 13485 supply chains.</p>\n"}]
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Landun Cnc Tool

Tell Us Your Requirements

For more information about Landun CNC Tool’s cutting tool solutions, including standard and custom carbide drills, end mills, coatings, and machining support, please feel free to contact our team.

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