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140.0445.25 - Binzel Style M8 CuCrZr Contact Tip .045 (25 Pack)

Packaging: 25 per pak
$7.05/ea $121.50/25 per pak only $4.86/eaSave 31%

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OVERVIEW

High-Performance CuCrZr Contact Tips for Industrial MIG Welding


Optimizing the conductivity and durability of the current transfer point is critical for maintaining arc stability in industrial welding environments. This 25-pack of M8 contact tips is engineered specifically for .045" (1.2mm) wire applications where standard copper tips fail prematurely. Manufactured from Copper Chrome Zirconium (CuCrZr), these consumables represent a significant upgrade in metallurgical performance over standard Electrolytic Copper (E-Cu) variants.



The inclusion of chromium and zirconium in the copper matrix creates a precipitation-hardened alloy that retains its structural integrity at elevated temperatures. In high-amperage applications, such as spray transfer or pulsed MIG welding, the contact tip is subjected to intense radiant heat and resistive heating. Standard copper softens rapidly under these conditions, leading to bore expansion ("keyholing") and micro-arcing inside the tip. This CuCrZr alloy resists softening up to approximately 500°C, ensuring the bore diameter remains within tolerance for significantly longer durations. This results in consistent electrical contact, stable arc initiation, and reduced wire wander.



These tips feature a standard M8 thread and a 30mm length, making them fully compatible with heavy-duty Binzel-style torch front ends, including the MB 401 D, MB 501 D, and liquid-cooled robotic torches. The precision-drilled bore ensures smooth wire feeding while maintaining the necessary electrical contact for efficient current transfer. For fabrication shops focused on Overall Equipment Effectiveness (OEE), switching to CuCrZr consumables is a cost-effective strategy to reduce unscheduled downtime associated with frequent consumable changes.



Technical Specifications:



  • Alloy: CuCrZr (Copper Chrome Zirconium)

  • Hardness: Approx. 168 HV (Vickers Hardness)

  • Thread: M8 x 1.25

  • Wire Compatibility: .045" (1.2mm)

  • Application: High duty cycle, automated, or high-amperage manual welding

Additional Information
Packaging Description:25 in a pack, 25 per pak
Item:Contact Tip
Brand:Binzel OEM
Wire Size:0.045
Thread Size:M8
Material:CuCrZr (Copper Chrome Zirconium)
Length :30mm
Compatible Series:MB 401, MB 501, MB EVO PRO