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GEDORE Push-Through Square, Drive 1/2", Drive Socket 1/2", Max. 512 Nm, Torcofix Mushroom Head, Ball Lock, 4550-85

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GEDORE Push-Through Square 4550‑85

The GEDORE Push-Through Square 4550‑85 is a high‑performance torque wrench accessory designed for precision fastening in demanding industrial and automotive applications. This push‑through square drive combines a robust construction with advanced locking technology, ensuring reliable performance even under the most strenuous conditions.

Key Technical Specifications

  • Drive Size: 1/2" (12.5 mm)
  • Socket Size: 1/2" (12.5 mm)
  • Maximum Torque: 512 Nm
  • Head Type: Torcofix Mushroom Head
  • Locking Mechanism: Ball Lock
  • Material: Chromium‑Vanadium Steel
  • Finish: Zinc‑Plated for corrosion resistance
  • Model Number: 4550‑85
  • Compatibility: Designed for use with GEDORE torque wrenches featuring a 1/2" drive.

Design Features and Advantages

The Mushroom Head design provides a large, flat contact area that distributes torque evenly across the socket. This reduces wear on both the wrench and the fastener, extending service life. The Ball Lock mechanism offers a secure, one‑handed engagement that prevents accidental disengagement during operation. The push‑through construction allows the square to be inserted directly into a torque wrench without the need for additional adapters, simplifying tool setup and reducing downtime.

Material Quality and Durability

The core of the 4550‑85 is made from Chromium‑Vanadium Steel, a high‑strength alloy that delivers exceptional fatigue resistance. The zinc plating provides an additional barrier against corrosion, making the square suitable for use in harsh environments such as automotive assembly lines, aerospace manufacturing, and heavy machinery maintenance.

Precision Engineering

Every component of the 4550‑85 is manufactured to tight tolerances. The 1/2" drive and socket dimensions are calibrated to ensure a perfect fit with standard torque wrench heads, eliminating play and ensuring accurate torque delivery. The mushroom head’s geometry is engineered to minimize slippage, providing consistent performance across a wide range of torque settings.

Applications

  • Automotive assembly and repair – especially for chassis, suspension, and drivetrain components.
  • Aerospace fastening where precision torque is critical for safety and reliability.
  • Industrial machinery – gearboxes, hydraulic systems, and structural assemblies.
  • Construction equipment – heavy-duty fasteners requiring high torque values.

Maintenance and Care

To preserve the integrity of the 4550‑85, clean it after each use with a dry cloth to remove grease and debris. Periodically inspect the mushroom head for signs of wear or damage; replace if any deformation is observed. Store the square in a dry environment to prevent rusting of the zinc plating.

Why Choose the GEDORE 4550‑85?

The combination of a high torque capacity (512 Nm), robust material construction, and innovative locking mechanism makes the 4550‑85 a standout choice for professionals who demand reliability and precision. Its push‑through design eliminates the need for additional adapters, streamlining workflow and reducing tool clutter.

Conclusion

The GEDORE Push-Through Square 4550‑85 exemplifies engineering excellence in torque wrench accessories. Its Mushroom Head, Ball Lock, and Chromium‑Vanadium Steel construction deliver unmatched performance for high‑torque applications. Whether you are tightening critical fasteners in automotive, aerospace, or industrial settings, the 4550‑85 provides the precision and durability you need to get the job done right.

This product in Comparor

CategoryThis product is cataloged in our store in these categories
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ColorsPredominant colors of the product
Tags
SquareBit holderDrive socketSquare push-throughSquare driveSquare 1/2Square max512 nmSquare torcofix mushroom headSquare ball lockSquare 4550-85Square sliding square drive capSquare knobhead holderSquare mushroom head 1/2Square 12.5 mmSquare 7079370Square 1/2-1/2Mushroom headPush-through squareMax 512 nmSliding square drive capKnobhead square bit holder1/2 mushroom head1/2 sliding square drive cap4550-85 mushroom head7079370 mushroom head4550-85S mushroom headKnobhead square bit holder 1/2Push-through square 1/2Drive socket 1/2Max 512 nm mushroom headSliding square drive cap 1/21/2 knobhead square bit holder7079370 knobhead square bit holderDrive 1/2Torcofix mushroom headBall lockMushroom head 1/2

Identifiers

Brand
Gedore Gedore is a German tool manufacturer that produces a wide range of tools, including wrenches, screwdrivers, and hammers. The company has a long history, dating back to 1919, and is known for its high-quality tools. Gedore tools are often used by professionals, and the company has a reputation for producing durable, reliable tools.
Model
Gedore 7079370
MPN
Gedore 7079370
ID
3617327
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