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BERK40 - Bernard Model 4 Shortstub Replacement Head Kit

Packaging: 1 per each
$91.74/ea $65.53/1 per each only $65.53/eaSave 29%

In stock

OVERVIEW

Restore Peak Performance to Your Bernard Shortstub

The BERK40 Electrode Holder Replacement Head Assembly is a critical maintenance component designed specifically for the Bernard Shortstub Model 4 (Model 400) electrode holder. In the demanding environment of industrial Shielded Metal Arc Welding (SMAW), the contact surfaces of an electrode holder are subject to intense thermal cycling, mechanical wear, and electrical erosion. Over time, the gripping mechanism within the head can degrade, leading to increased electrical resistance, heat buildup, and unstable arcs. This replacement assembly allows operators to renew the functional core of their holder, ensuring consistent conductivity and mechanical security.

Engineered to meet the original equipment manufacturer's specifications, the BERK40 assembly is constructed from a high-grade brass alloy selected for its superior electrical conductivity and thermal resilience. The design facilitates a low-resistance connection between the welding cable and the consumable electrode, which is essential for maintaining arc stability and preventing energy loss. By replacing a worn head with this precision-manufactured component, users can eliminate the common issues of "hot holders" and electrode slippage that compromise weld quality.

The installation process is straightforward, designed to minimize downtime in maintenance and repair operations. The kit includes the necessary head block and securing hardware to integrate seamlessly with the existing Model 4 body and handle. This modular approach to tool maintenance supports cost-efficiency by extending the lifecycle of the primary tool assembly. Whether used in structural steel fabrication, pipe welding, or heavy equipment repair, the BERK40 ensures that your 400-amp Bernard holder continues to deliver the reliability and performance professionals expect.

Technical Specifications

  • Compatibility: Bernard Shortstub Model 4 / Model 400
  • Amperage Rating: 400 Amps
  • Material: High-Conductivity Brass Alloy
  • Mechanism: Twist-lock screw type
Additional Information
Brand:Bernard
Item:replacement-head
Amperage:400
Packaging Description:pack-of-1
Compatible Model:Bernard Shortstub Model 4, Bernard Shortstub Model 400
Material:Brass Alloy
Part Type:Replacement Head Assembly
Process:Stick (SMAW)
Style:n/a

INCLUDED

  • 1 x Replacement Head Assembly for Bernard Model 4
  • Installation Pin/Set Screw

APPLICATIONS

  • Heavy Industrial Fabrication
  • Structural Steel Welding
  • Shipbuilding and Repair
  • Pipeline Welding
  • Maintenance and Repair Operations (MRO)

FAQ

The BERK40 is designed specifically for the Bernard Shortstub Model 4, also known as the Model 400. It is rated for 400-amp applications.

No, the BERK40 is the replacement head assembly only. It typically includes the brass head and the necessary pin or screw for installation. The handle and body insulation are sold separately.

You should replace the head if you notice the electrode is slipping despite being tightened, if the threads are stripped, or if the head is becoming excessively hot during welding due to poor electrical contact.

No, the BERK40 is for the Model 4, which is rated for 400 amps. For the 600-amp Model 6, you would need a different replacement head assembly.

The head is manufactured from a high-conductivity brass alloy designed to withstand the thermal and electrical stresses of SMAW welding.

Yes, the replacement head is designed for field installation. It usually involves removing a set screw or pin to release the old head and securing the new one in place.

No, the Model 6 is a larger, 600-amp holder. The BERK40 is exclusively for the 400-amp Model 4.

If the issue is stripped threads on the head itself, yes. This part replaces the stationary block that the electrode presses against or screws into, restoring the locking mechanism's integrity.