Mold & Die Carbide Drilling Solutions

Mold & Die Drilling Overview

Mold and die manufacturing requires accurate drilling in mold steel, tool steel, pre-hardened and hardened steel, stainless steel, cast iron, and aluminum. Common applications include guide-pin and ejector-pin holes, cooling channels, locating holes, threaded-hole preparation, deep passages, stepped holes, blind holes, and flat-bottom features. Landun CNC Tool supplies standard, micro, deep-hole, internal-coolant, flat-bottom, step, spot, and custom carbide drills matched to component drawings, materials, hole conditions, and machining requirements. They address chip evacuation, wear, accuracy, and entry stability.

Mold & Die Carbide Drilling Solutions

Mold Bases & Mold Plates

Mold bases, support plates, backing plates, clamping plates, locating holes, guide-post holes, threaded-hole preparation, and general production holes in pre-hardened mold steel.

Core & Cavity Inserts

Core inserts, cavity inserts, replaceable mold inserts, precision locating holes, blind holes, threaded holes, and close-tolerance features in tool steel and hardened mold materials.

Ejector & Guide Components

Ejector-pin holes, guide-pin holes, guide-bushing holes, return-pin holes, sleeve holes, and long precision holes requiring stable position, diameter control, and hole straightness.

Cooling Channels & Deep Passages

Straight cooling channels, long water passages, intersecting channels, deep blind holes, and coolant distribution holes requiring reliable chip evacuation and controlled drilling stability.

Stamping Dies & Tooling Plates

Punch plates, die plates, stripper plates, retaining plates, backing plates, mounting holes, locating holes, dowel holes, and precision hole patterns in tool steel and hardened die components.

Precision Mold Components & Custom Features

Small mold components, sliders, lifters, inserts, sleeves, bushings, stepped holes, flat-bottom holes, special diameters, and drawing-based non-standard hole structures.

Key Mold & Die Carbide Drilling Solutions

Hole Position and Repeatability

Mold bases and tooling plates often contain multiple locating, guide, mounting, and threaded holes. Stable drill entry, low runout, and consistent drill geometry help maintain repeatable hole position across batch machining.

Drilling in Mold and Tool Steels

Pre-hardened steel, tool steel, and hardened mold components can increase cutting-edge load and wear. Suitable carbide grades, coatings, drill-point geometry, and edge preparation help improve drilling stability and tool-life consistency.

Deep-Hole Cooling Channels

Long cooling passages require controlled chip evacuation, sufficient coolant delivery, stable machine conditions, and suitable drilling procedures to reduce chip congestion and hole deviation.

Angled and Irregular Entry Conditions

Curved mold surfaces, inclined faces, casting surfaces, and interrupted entry conditions can cause drill deflection or edge chipping. Spot drilling, pilot holes, or application-specific drill geometry may be required.

Flat-Bottom and Stepped Holes

Counterbores, stepped holes, blind holes, spring holes, and special-bottom features may require flat-bottom drills, step drills, or custom combination drills developed according to the component drawing.

Small and Close-Tolerance Holes

Small inserts, vent features, sleeves, bushings, and precision mold components require low runout, stable micro-drilling performance, controlled hole diameter, and consistent surface quality.

Information Needed for Recommendation

Information	Why It Matters
Component drawing	Confirms hole structure, tolerance, step design, and special features
Workpiece material	Determines drill geometry, coating, and edge preparation
Hole diameter and depth	Determines drill series, working length, rigidity, and coolant requirements
Through hole or blind hole	Affects drill-point design, chip evacuation, and bottom geometry
Tolerance and surface requirement	Helps evaluate hole accuracy, finish, and finishing-process requirements
Coolant method and pressure	Important for deep holes, cooling channels, and chip evacuation
Machine type and holder condition	Affects runout, rigidity, and cutting stability

Common Questions

Frequently Asked Questions

Which carbide drill is suitable for mold bases and die plates?

For general holes in mold bases and die plates, 3xD, 5xD, or 8xD standard carbide drills can be selected according to the required hole depth, material hardness, coolant condition, and machine rigidity.

Which drill should be used for mold cooling channels?

Internal-coolant deep-hole carbide drills are generally recommended for long cooling channels and water passages. The suitable depth series depends on the hole diameter, total depth, pilot-hole condition, coolant pressure, and machine stability.

How should angled or curved mold surfaces be drilled?

Angled, curved, or irregular surfaces may require a spot drill, pilot hole, reduced entry feed, or a specially designed carbide drill to improve entry stability and reduce drill deflection.

Can Landun produce flat-bottom and step drills for mold components?

Yes. Landun can develop flat-bottom drills, step drills, special-length drills, and combination carbide drills according to component drawings, samples, hole structures, and machining requirements.

What information should I provide for a custom drill recommendation?

Please provide the component drawing, material and hardness, hole diameter, depth, tolerance, entry condition, coolant method, machine information, current tool, and the main machining problem.

Mold & Die Carbide Drilling Solutions

Mold & Die Drilling Overview

Mold & Die Carbide Drilling Solutions

Mold Bases & Mold Plates

Core & Cavity Inserts

Ejector & Guide Components

Cooling Channels & Deep Passages

Stamping Dies & Tooling Plates

Precision Mold Components & Custom Features