Start Your Project

Choose How to Start Your Custom Drill Project

Select the option that best matches the information and requirements you currently have.
Different customers begin a custom drill project with different information. Choose the path that best matches your current requirement.

A

Manufacture from My Drawing 

  • Manufacture according to confirmed specifications
  • Support special dimensions and hole profiles
  • Retain approved designs for repeat production

B

Replace or Improve an Existing Drill

  • Develop from an existing drill or tool sample
  • Improve tool life, chip evacuation, or hole quality
  • Support replacement and repeat-order projects

C

Develop a New Drill Solution

  • Review your component and machining requirements
  • Recommend suitable geometry, coating, and coolant design
  • Develop an application-specific carbide drill

Custom Tooling Range

Custom Carbide Drill Types

A selection of the special-purpose carbide drills we develop and manufacture for non-standard hole features and machining requirements.
Carbide Center Drill

Carbide Center Drill

Designed to produce accurate pilot holes and 60° center seats in one operation. The solid carbide structure, precision-g...
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90° Carbide Spot Drill

90° Carbide Spot Drill

Designed for precision hole positioning, 90° chamfering, shallow countersinking, and hole-edge preparation. The short ri...
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60° Carbide Spot Drill

60° Carbide Spot Drill

Designed for precise 60° center recesses, positioning points, chamfers, and shallow countersinks. The sharp 60° point ge...
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120° Carbide Spot Drill

120° Carbide Spot Drill

Designed for accurate hole positioning before drilling. The 120° point geometry, short rigid cutting section, MG 0.8 μm ...
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Engineering Benefit

Why Use a Custom Carbide Drill?

Custom carbide drills are developed to solve specific machining challenges and improve process efficiency, hole quality, and production consistency.
01

Reduce Tool Changes

Combine several hole features into one tool to reduce separate drilling, chamfering, or counterboring operations.

02

Improve Feature Concentricity

Machine multiple diameters or profiles with one tool to maintain better alignment between related hole features.

03

Improve Chip Evacuation

Optimize flute geometry, back taper, and coolant delivery according to the material, chip shape, and drilling depth.

04

Improve Entry Stability

Use application-specific drill-point geometry for inclined, curved, uneven, cast, or interrupted entry surfaces.

05

Improve Hole Quality

Improve dimensional consistency, burr control, hole-wall condition, and bottom-feature accuracy under suitable machining conditions.

06

Improve Batch Consistency

Retain confirmed geometry, coating, edge preparation, and inspection requirements for repeat production orders.

What We Customize

Customization Options

Each custom carbide drill is reviewed according to the workpiece material, hole geometry, drilling depth, machine conditions, coolant system, and production requirements.

Dimensions & Tool Length

  • Custom drill diameter
  • Custom flute length
  • Custom overall length
  • Custom neck length
  • Custom shank diameter
  • Short, long-reach, or deep-hole designs

Drill Point & Flute Geometry

  • Material-specific drill-point design
  • Rake and relief adjustment
  • Core-thickness optimization
  • Flute geometry for chip control
  • Back-taper adjustment
  • Entry-stability improvement

Special Hole Profiles

  • Two- or multi-diameter step drills
  • Drill-and-chamfer geometry
  • Drill-and-counterbore geometry
  • Flat-bottom hole geometry
  • Pilot and finish features
  • Custom combination profiles

Internal Coolant

  • Internal-coolant drill design
  • Coolant delivery near the cutting edge
  • Chip evacuation support
  • Blind-hole configurations
  • Through-hole configurations
  • Deep-hole and passage applications

Coating & Edge Preparation

  • ALTISIXN coating options
  • HSR118 coating options
  • DLC or uncoated options
  • Manual drill-point honing
  • Controlled edge passivation
  • Application-specific edge strengthening

Marking & Packaging

  • Laser marking
  • Customer part numbers
  • Tool identification codes
  • Customer branding
  • Protective tool packaging
  • Custom labels for repeat orders
Material Coverage

Supported Workpiece Materials

Drill geometry, coating, edge preparation, and coolant configuration are matched to the workpiece material and machining conditions.
Steel
Stainless Steel
Cast Iron
Aluminum & Non-Ferrous Materials
Titanium & Difficult-to-Machine Materials
Hardened Steel
How It Works

Custom Carbide Drill Process

A structured, six-step process from your first inquiry to delivery and ongoing production support.

02

Submit Requirements

Drawing, sample, or application details.

03

Engineering Review

Analyze the material, hole, and machining conditions.

04

Proposal & Quotation

Confirm the tool solution, lead time, and price.

05

Specification Approval

Approve the drawing and technical requirements.

06

Manufacturing & Inspection

Produce and inspect the custom carbide drill.

07

Delivery & Support

Tool evaluation, optimization, and repeat production.

Engineering & Quality Control

Precision Manufacturing for Repeatable Custom Carbide Drills

3,000 m²

Production Facility

3 μm

Geometry Accuracy Control

300x

Edge Inspection Magnification

±0.003 mm

Edge Passivation Control

German Walter 5-Axis Grinding Machines

German Walter 5-Axis Grinding Machines

Our carbide drills are ground on German WALTER 5-axis grinding machines for sharp cutting edges, stable accuracy, and smooth drilling performance.

Walter Helicheck Plus Contour Inspection

Walter Helicheck Plus Contour Inspection

We use WALTER HELICHECK PLUS for contour inspection, keeping profile and radius control within 3 μm for reliable geometric precision.

300x Magnification Edge Inspection

300x Magnification Edge Inspection

Each carbide drill is inspected at 300x magnification to check edge quality and avoid chipping or saw-tooth defects before shipment.

Consistent Edge Passivation Control

Consistent Edge Passivation Control

Manual drill point honing and automatic rubber-bonded diamond abrasive polishing help improve tool life and control edge consistency within ±0.003 mm.

Landun Cnc Tool

Tell Us Your Requirements

Contact Landun CNC Tool for standard, micro, deep-hole, internal-coolant, flat-bottom, step, and custom solid carbide drills. Send us your drawing, existing tool sample, workpiece material, and hole requirements, and our team will provide an application review and quotation.

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