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External-Coolant Drills
Solid carbide drills for general CNC hole machining, batch production and applications using external coolant supply.
CARBIDE DRILLS · OEM · CUSTOM TOOLING
Carbide Drills & Custom Drilling Tools
In addition to our core carbide end mill range, ZHY manufactures selected solid carbide drills and drawing-based custom drilling tools for distributors, CNC machining companies, OEM projects and customers requiring combined milling and drilling tool supply.
Selected Drilling Tool Capabilities
Drill structure, dimensions, coating and coolant configuration can be selected according to the workpiece material, hole feature, drilling depth and machining conditions.
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Internal-Coolant Drills
Through-coolant carbide drills supporting cooling, lubrication and chip evacuation in deeper or more demanding hole applications.
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Spot & Step Drills
Spotting, chamfering, stepped-hole and combined-feature drilling tools for reducing tool changes and repeated positioning.
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Custom Drilling Tools
Diameter, cutting length, point geometry, coolant structure and coating can be developed according to drawings, samples or machining requirements.
Representative Carbide Drill Products
Explore selected standard and customized carbide drills available for distributors, CNC machining companies and combined cutting-tool orders.
STANDARD DRILL
External-Coolant Solid Carbide Drill
General-purpose solid carbide drill for CNC hole machining with external coolant supply. Dimensions and coating can be selected according to the workpiece material.
External Coolant
Solid Carbide
Custom Size
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COOLANT-FED DRILL
Internal-Coolant Solid Carbide Drill
Through-coolant carbide drill designed to deliver coolant closer to the cutting zone and support chip evacuation during deeper-hole machining.
Through Coolant
Chip Evacuation
OEM Available
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NON-FERROUS MATERIALS
DLC-Coated Carbide Drill for Aluminum Alloys
Solid carbide drill with DLC coating for aluminum, copper and selected non-ferrous materials requiring reduced material adhesion and stable chip evacuation.
DLC Coating
Aluminum Alloy
Non-Ferrous
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HOLE POSITIONING
Carbide Spot Drills – 60° / 90° / 120°
Solid carbide spotting drills for hole positioning, chamfering and preparation before drilling. Multiple point-angle options are available.
60°
90°
120°
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CUSTOM FORM TOOL
Custom Solid Carbide Step Drill
Drawing-based step drill for machining multiple diameters, shoulders or chamfers in one operation, helping reduce tool changes and repeated positioning.
Step Geometry
One-Pass Machining
Drawing-Based
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LONG-REACH CUSTOM TOOL
Custom Long-Reach Carbide Drill
Extended-length solid carbide drill for applications requiring increased reach or customized drilling depth. Diameter and length can be produced to application needs.
Extended Reach
Custom Length
OEM Support
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Custom Carbide Drill Support
When a standard drill does not match the required hole geometry, machining depth or production condition, ZHY can review drawings, samples and application information to develop a customized carbide drilling tool.
Custom drills are available for distributors, private-label programs, repeated batch orders and customers sourcing milling and drilling tools together.
Send Your Drawing
Custom Diameter
Diameter according to the required hole size.
Custom Cutting Length
Cutting length matched to the drilling depth.
Custom Overall Length
Extended reach or machine-specific length.
Coolant Configuration
External coolant or internal coolant structure.
Point Geometry
Point angle and cutting geometry for the application.
Step & Form Geometry
Multiple diameters, chamfers and combined features.
Application Coating
Coating selected according to the workpiece material.
OEM & Private Label
Laser marking, product labels and packaging support.
Custom Drill Development Process
Provide the application information first so the drill structure, dimensions and coating can be reviewed before production.
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Application Review
Review the workpiece material, hole feature, machine condition and production requirement.
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Tool Proposal
Confirm diameter, length, coolant method, geometry, coating and tolerance requirements.
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Sample Production
Produce sample tools for dimensional and application confirmation when required.
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Batch Supply
Arrange repeat production, OEM marking and packaging after the specification is confirmed.
Information Required for Drill Selection
Complete application information helps us determine whether a standard drill or customized drilling tool is more suitable.
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Workpiece Material
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Hole Diameter
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Hole Depth
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Hole Tolerance
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Through or Blind Hole
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Coolant Condition
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Machine & Tool Holder
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Required Quantity
Frequently Asked Questions
Basic information about ZHY carbide drill and customized drilling-tool supply.
Can carbide drill dimensions be customized?
Yes. Diameter, cutting length, overall length, shank size, point geometry and step features can be reviewed according to drawings, samples and application requirements.
Are internal-coolant carbide drills available?
Internal-coolant and external-coolant structures are available depending on the tool size, drilling depth, machine condition and application requirements.
Can ZHY manufacture step drills and form drills?
Yes. Step diameter, feature length, chamfer angle and overall tool dimensions can be customized according to the workpiece drawing.
What information is required for a quotation?
Please provide the workpiece material, hole diameter, hole depth, tolerance, coolant condition, drawing, machine information and required quantity.
Request a Carbide Drill Recommendation
Send us your workpiece material, hole dimensions, drilling depth, tolerance, coolant condition, drawing and required quantity. Our team will review the application and recommend a suitable standard or customized carbide drilling tool.