China Tungsten Carbide Die manufacturer
Chongqing Henghui Precision Mold Co., Limited
Customer First , Quality First , Technology First , Dedicated Service.
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High-Precision Tungsten Carbide Punch Pins with Micron-Level Precision, Superior Impact Resistance, and Tailor-Made Geometry for Cold Heading

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Chongqing Henghui Precision Mold Co., Limited

City: chongqing

Province/State:chongqing

Country/Region:china

Tel:86--13983025528

Contact Person:
Mrs.Hou View Contact Details

High-Precision Tungsten Carbide Punch Pins with Micron-Level Precision, Superior Impact Resistance, and Tailor-Made Geometry for Cold Heading

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Brand Name Henghui, Henghui
Model Number Customized
Certification ISO 9001
Place of Origin Chongqing, China
Minimum Order Quantity 1
Shaping Mode Forging Mould
Product Material Steel, Steel and carbide
Carbide Material VA80, ST7, ST6, KG5, KG6
Tolerance +/-0.01
Case Material H13(SKD61) HRC46-48
Surface Treatment TiN / TiAlN
Co Content 6.50% - 24%
Grain Size 2~3 μm - 6~9 μm
Density 13.22 - 14.90 g/cm²
Hardness 82.5 - 90.5 HRA
TRS 240 - 340 Kgf/mm²
Impact Strength 0.28 - 0.90 Kgf/m-cm²
Chemical Composition C, Si, Mn, P, S, Cr, Mo, V, W, Cu, Ni
Concentricity 0.01mm
Standard Deviation 0.005mm
Detailed Product Description
High-Precision Tungsten Carbide Punch Pins with Micron-Level Precision, Superior Impact Resistance, and Tailor-Made Geometry for Cold Heading
In the pursuit of extreme efficiency and precision within cold heading processes, tool durability directly dictates production costs. Henghui Precision offers custom-engineered Tungsten Carbide (Cemented Carbide) Cold Heading Punches and Special-Shaped Non-Standard Dies, specifically designed to withstand high-strength impact and complex geometries. By combining world-leading tungsten carbide grades with micron-level CNC machining, we provide the automotive, fastener, and aerospace industries with high-performance tooling built for an extended service life.
Key Features
  • Premium Material Grade: We offer a wide range of high-quality tungsten carbide grades tailored to your specific working conditions (considering pressure, impact force, and material ductility). This ensures the dies maintain exceptional dimensional stability even under extreme operational pressure.
  • Micron-Level Precision: Leveraging advanced CNC grinding and EDM (Electrical Discharge Machining) technologies, our non-standard special-shaped punches achieve stable tolerances within 0.01mm, making them ideal for the mass production of high-precision components.
  • Superior Impact Resistance: By optimizing the tungsten carbide grain size and cobalt content ratio, our punches possess excellent toughness, effectively preventing chipping and premature cracking during high-speed production.
  • Tailor-Made Geometry: We specialize in "non-standard" designs. Whether it is a multi-station special-shaped punch or a forming die with complex steps and concave features, we provide exact 1:1 replication based on your 2D/3D drawings (STEP, DXF, or PDF).
  • Advanced Surface Finish: We offer professional mirror polishing (Ra < 0.1) and optional PVD coatings (such as TiN, TiCN, and TiAlN). These treatments further reduce the friction coefficient, enhance de-molding efficiency, and can extend the tool's lifespan by 3 to 5 times.
Typical Applications
  • Automotive Industry: High-strength engine bolts, special-shaped pins, and steering system components.
  • Precision Fasteners: Non-standard socket head cap screws, Torx head bolts, and specialized stepped screws.
  • Electronics & Aerospace: High-precision, micro-sized cold heading components that require extremely strict material integrity.
Insert Material Options
We provide different carbide materials tailored for specific applications:
ItemCoGrain SizeDensityHardnessTRSImpact StrengthApplication
Medium-Grained
KG26.50%2~3 μm14.90 g/cm²90.5 HRA320 Kgf/mm²0.28 Kgf/m-cm²Drawing die
KG39%2~3 μm14.61 g/cm²89.3 HRA340 Kgf/mm²0.52 Kgf/m-cm²Extrusion die
KG512%2~3 μm14.31 g/cm²88.3 HRA340 Kgf/mm²0.58 Kgf/m-cm²Extrusion die
KG614%2~3 μm14.12 g/cm²87.3 HRA320 Kgf/mm²0.65 Kgf/m-cm²Extrusion die
Coarse-Grained
ST615%3~6 μm13.80 g/cm²86.0 HRA270 Kgf/mm²0.78 Kgf/m-cm²Stainless steel
ST720%2~6 μm13.40 g/cm²85.3 HRA270 Kgf/mm²0.80 Kgf/m-cm²Stainless steel
EA6518%2~6 μm13.73 g/cm²85.0 HRA300 Kgf/mm²0.80 Kgf/m-cm²Carbon steel screw/cutting die
VA8020%3~6 μm13.58 g/cm²84.0 HRA280 Kgf/mm²0.85 Kgf/m-cm²Impact resistance
VA9022%6~9 μm13.39 g/cm²82.5 HRA240 Kgf/mm²0.90 Kgf/m-cm²Impact resistance
EA9024%2~6 μm13.22 g/cm²82.8 HRA270 Kgf/mm²0.90 Kgf/m-cm²Impact resistance
Case Material
Primary case material: H13(SKD61) HRC46-48
SKD61(H13) Chemical Composition
CSiMnPSCrMoVW
0.39%1.15%0.44%0.021%0.007%5.12%1.3%0.94%0.06%
CuNi
0.05%0.06%
Surface Treatment
Available options: TiN / TiAlN
About Chongqing Henghui Precision Mold Co., Ltd.
We specialize in manufacturing high-quality precision molds for cold heading and hot upsetting industries. Our facility includes CNC lathes, machining centers, grinding machines, EDM machines, and comprehensive testing equipment. We maintain strict quality control with precision standards of 0.005mm deviation and 0.01mm concentricity, operating under ISO9001:2015 certification.
Our products are exported globally to Southeast Asia, Europe, and the United States. We adhere to the principles of "Customer first, quality first, technology first, dedicated service."
Packaging & Delivery
Packaging: Carton Box; Export Standard Package, or customized per client requirements.
Delivery Time: 12-45 days depending on order quantity.
Frequently Asked Questions
Q1: How can I get a quotation from your company?
A1: Contact us with your drawings, material specifications, quantity requirements, and surface treatment preferences for a prompt quote.
Q2: What is your lead time?
A2: Lead time depends on product customization and destination country.
Q3: What is your minimum order quantity (MOQ)?
A3: MOQ varies by product. Contact our sales team for details.
Q4: What payment methods do you accept?
A4: We accept T/T, L/C, and PayPal.
Q5: What is your after-sales service like?
A5: We provide technical support, product repair, and replacement services.
Q6: How can I get your product catalog and quotation?
A6: Contact our sales team through our official channels for immediate assistance.
Product Tags: Micron-Level Precision Tungsten Carbide Punch Pins   Superior Impact Resistance Carbide Punches   Tailor-Made Geometry Cold Heading Punches  
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