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100 PLUS STD SQ SHNK SCRD 12 - Stanley Proto Industrial Tools

Part #: PO66-172-A

The Stanley Proto Industrial Tools PO66-172-A 100 PLUS Standard Square Shank Screwdriver is engineered for demanding professional applications in automotive and industrial settings. This robust tool delivers exceptional durability and reliable performance, making it an essential addition for technicians and mechanics who require a secure and long-lasting fastening solution. Part of the trusted Proto 100 PLUS series, this screwdriver is built to withstand rigorous daily use.

Key Features

  • Industrial-Grade Construction: Manufactured from durable alloy steel, the screwdriver shaft provides superior strength and extended tool life in challenging environments.
  • Square Shank Design: The heavy-duty square shank offers a secure fit with fasteners, significantly reducing the risk of cam-out and stripping, while also allowing for wrench-assisted turning for added torque when needed.
  • Precision-Ground Tip: The accurately machined tip ensures optimal engagement with standard square drive fasteners, preventing damage to screw heads.
  • Corrosion Resistance: A chrome-plated finish enhances durability and protects the tool against rust and wear, maintaining its performance over time.
  • Professional Ergonomics: Designed for comfortable and secure grip, minimizing hand fatigue during prolonged use and high-torque applications.

Applications

The Proto PO66-172-A square shank screwdriver is ideal for a wide range of tasks requiring dependable fastening and loosening. It is particularly well-suited for industrial assembly and maintenance, automotive repair, engine work, and heavy machinery adjustments. The secure fit of the square drive makes it excellent for repetitive tasks and applications where high torque transfer is crucial, such as installing or removing components in vehicle chassis or industrial equipment.

Specifications

  • Manufacturer: Stanley Proto Industrial Tools
  • Model Number: PO66-172-A
  • Product Name: 100 PLUS Standard Square Shank Screwdriver
  • Blade Length: 12 inches
  • Series: Proto 100 PLUS
Only 2 left in stock - order soon

$16.14

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This product was added to our catalog on Saturday 11 July, 2026.

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