Material: Tungsten Carbide (WC)

***THIS PRODUCT'S AVAILABILITY IS LIMITED TO REMAINING STOCK.

Probe Needles / Probe Tips for micro-electronic probes and probe cards, or Punch Needles for micro-punches.

Features:

• Finest quality needles available
• Special, proprietary machining technique used to grind needles of superior accuracy and consistency
• Machine grinding creates smooth, straight surfaces (unlike chemical etching which can result in pits and concave/convex surfaces)

Tolerances:

Diameter +/-0.2 mil (5.1 um), Angle +/-1.0 deg, Radius +/-0.1 mil (2.5 um), Length +/-0.031 inch (0.8 mm)

Material Composition & Properties:

Grade 883, which consists of approximately WC=89.5% + Co=10.0% + Others=0.5%

Volume Resistivity= 2.5x10^-8 ohm-cm, Thermal Conductivity= 42 W/mK

Density= 14.45 g/cm^3, Hardness= 91.6 HRa, Transverse Rupture Strength= 441 Kgf/mm^2 (630 kpsi), Compressive Strength= 610 Kgf/mm^2 (870 kpsi)