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Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
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Home ProductsTungsten Carbide PunchBurr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling
Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling
Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling

Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling

Product Details:
Place of Origin: Zhuzhou
Brand Name: Sanxin
Certification: ISO 9001:2015
Model Number: SX1254
Payment & Shipping Terms:
Minimum Order Quantity: 5
Delivery Time: 5-25days
Payment Terms: L/C,T/T,Western Union
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  • Detail Information
  • Product Description

Detail Information
Features: High Wear Resistance, High Toughness, High Strength Categories: Tungsten Carbide Mold Parts
Tolerance: ±0.01mm Surface Finish: Polished
Feature: High Hardness Size: Customized
Appliction: Small Core Working Parts Surface: Blanks Or Polished Grinding
Material: Tungsten Carbide Industry: Electronic Appliances Industry
Highlight:

Monolithic Tungsten Carbide Punch

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Ultra-hard Core Tungsten Carbide Punch

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Burr-free Tungsten Carbide Punch

Product Description

Burr-free Monolithic Tungsten Carbide Punch For Ultra-hard Core Precision Drilling
Burr-free Monolithic Tungsten Carbide Punch for Ultra-hard Core Precision Drilling
Adopting a step punch with integral sintered tungsten carbide (WC ≥ 94%), with a hardness of 92.5HRA and nanoscale transition rounded corners (R0.03mm), it breaks through the fracture bottleneck of traditional splicing punches and achieves precise piercing without burrs for millions of times in micro scale stamping fields such as electronic connectors, medical catheters, and lead frames.
Chemical Composition
Component Content (wt.%) Tolerance
WC (Tungsten Carbide) 94% ±0.5%
Co (Cobalt) 6% ±0.3%
Impurities (Total) ≤0.5% -
Process
1. Nano powder step molding
  • Isostatic pressing gradient density control (deviation <0.3%)
  • Graphite mold accuracy ±1μm (to prevent step deformation)
2. Low pressure SPS synchronous sintering
  • Multi-temperature zone precise temperature control (1200℃±3℃)
  • Grain boundary diffusion inhibition
3. Pulse electrolysis sharp edge strengthening
  • Step transition R angle mirror polishing (Ra 0.02μm)
  • Edge residual compressive stress +350MPa (anti-cracking ↑200%)
Application
1. Precision manufacturing of electronics
  • Lead frame: 0.1mm step hole punching (burr <5μm)
  • Type-C interface terminal: 0.25mm special-shaped multi-level punching (position accuracy ±2μm)
  • PCB plug-in pin: step countersunk hole forming (taper 30°±0.5°)
2. Medical device processing
  • Heart stent laser cutting template (0.08mm step hole array)
  • Minimally invasive surgical forceps riveting hole (double-stage transition without burr)
  • Insulin needle guide hole (Φ0.15mm step expansion hole)
3. Precision mechanical core
  • Fuel nozzle micro-hole step forming (roundness error <1μm)
  • Clock gear shaft hole fine punching (coaxiality 0.003mm)
  • Optical fiber connector ceramic ferrule (multi-level countersunk hole processing)
Burr-free Monolithic Tungsten Carbide Punch With ±0.01mm Tolerance For Precision Drilling 0

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tungsten carbide center punch

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