Precision Carbide Punch Tungsten Carbide Mold Components for High-Wear Applications

Product Overview

Our precision carbide punches and mold components are manufactured from high-grade tungsten carbide for applications requiring extreme wear resistance and dimensional stability.

Carbide components are typically used in:

• High-speed metal stamping

• Progressive dies

• Fine blanking tools

• Micro-precision punching

• Injection mold wear components

Compared to conventional tool steel, tungsten carbide offers significantly higher hardness and superior abrasion resistance in demanding production environments.

All components are produced strictly according to customer CAD drawings.

Material Selection – Tungsten Carbide

Tungsten carbide is selected when tool steel is no longer sufficient for wear performance.

Key material properties:

• Extremely high hardness (up to HRA 90+)

• Excellent compressive strength

• Superior wear resistance

• Stable cutting edge under high load

Carbide grade selection depends on:

• Workpiece material (stainless steel, copper, high-strength steel)

• Sheet thickness

• Impact load

• Production speed

Alternative materials available upon request:

• ASP23

• Vanadis

• CPM M4

• SKD11 / SKD61

• M2 / D2

Engineering Focus

Carbide punches must balance hardness and toughness.
Excessively hard grades may increase brittleness risk.

Performance depends on:

• Carbide grade

• Grain size

• Edge geometry

• Surface finish

• Mounting accuracy

1) Precision Grinding & Geometry Control

Critical tolerances:

• Dimensional tolerance: ±0.002 mm

• Roundness and straightness tightly controlled

• Surface finish up to Ra 0.2

High-precision cylindrical grinding ensures stable cutting edge geometry.

2) Edge Stability & Anti-Chipping Control

Carbide is harder than HSS but more brittle.

To reduce chipping risk:

• Optimized edge radius control

• Stress-relieved mounting design

• Controlled grinding heat input

• Proper grade selection

Correct engineering design extends punch life significantly.

3) Surface Treatment Options

Optional surface treatments include:

• TiN

• TiCN

• AlTiN

• DLC

• Nitriding (for steel components)

• Black oxide

Coatings may improve wear resistance and reduce friction, but carbide often performs well without coating in many stamping applications.

Technical Specifications

• Product Type: Precision Carbide Punch / Mold Component

• Material: Tungsten Carbide (custom grades available)

• Hardness: HRA 88–94 (grade dependent)

• Dimensional Tolerance: ±0.002 mm

• Surface Finish: Ra 0.2 achievable

• Manufacturing Type: Custom (Built-to-Print)

• Heat Treatment: As required (for steel components)

• Standard Compatibility: DIN / ISO / MISUMI / DAYTON / HASCO

Typical Applications

Carbide mold components are commonly used in:

• Stainless steel stamping

• Connector and terminal production

• Lead frame manufacturing

• Automotive structural stamping

• Medical precision metal parts

In high-volume stamping, carbide significantly reduces replacement frequency.

Manufacturing Capability

Processing methods include:

• CNC machining

• Precision cylindrical grinding

• Wire EDM

• EDM finishing

• Surface grinding

• CMM inspection

Strict inspection ensures interchangeability and repeatability.

Quality Control

Each component undergoes:

• Raw material verification

• Hardness testing

• Dimensional inspection

• Surface quality inspection

Inspection reports can be provided upon request.

OEM / Custom Manufacturing

We manufacture carbide punches and mold components strictly according to:

• 2D technical drawings

• 3D CAD files

• Specified material grades

• Defined tolerances and surface requirements

Both standard-compatible and special-shaped punch profiles are supported.

Technical FAQ

Q1: When should carbide be selected instead of SKH51?
Carbide is recommended for high-wear, high-speed, or stainless steel stamping where tool steel wear life is insufficient.

Q2: Is coating necessary on carbide punches?
Not always. Carbide itself is highly wear resistant. Coatings are selected based on friction conditions and workpiece material.

Q3: Can micro-diameter carbide punches be manufactured?
Yes. Micro-precision grinding allows tight tolerance control on small diameters.

Q4: How do you reduce chipping risk?
Through proper grade selection, controlled edge geometry, and stable mounting design.

Q5: Are custom profiles supported?
Yes. Special-shaped and non-standard punch designs are available.

Request a Technical Quote

Please provide:

• 2D / 3D drawings

• Workpiece material type

• Sheet thickness

• Production speed

• Surface treatment requirements

Our engineering team will review your application and recommend suitable material grades and processing solutions.