21MMSTDSOCKET 3/8"DR ---

Specifications

• Model Number: 5221M
• Manufacturer: Stanley Proto Industrial Tools
• Drive Size: 3/8 inch drive
• Socket Size: 21mm metric
• Socket Type: Standard depth, 6-point design
• Material: High-grade alloy steel
• Finish: Full polish, chrome plated
• Weight: 0.15 lbs
• Dimensions: 1.25 x 1.25 x 1.25 inches

Key Features

• Durable Construction: Engineered from high-grade alloy steel, this 21mm standard socket provides industrial strength for demanding tasks and prolonged tool life.
• Precision Fit: The 6-point design ensures secure engagement with fasteners, minimizing slippage and reducing the risk of rounding bolts and nuts.
• Corrosion Resistance: A full polish, chrome-plated finish protects the socket against rust and corrosion, maintaining its integrity in challenging work environments.
• Clear Identification: Stamped markings clearly indicate the 21mm metric size, allowing for quick and efficient tool selection.
• Versatile Design: Its standard depth profile offers accessibility for various common fastening applications.

Applications

This Stanley Proto 3/8 inch drive 21mm standard socket is designed for a range of professional and industrial uses, providing reliable performance in:

• Automotive Maintenance: Ideal for vehicle repair, engine work, and component assembly, requiring a robust 21mm metric socket.
• Industrial Machinery: Suitable for installation, maintenance, and repair of manufacturing equipment and heavy machinery.
• Construction: Used in assembling structures and maintaining heavy construction equipment on job sites.
• General Mechanical Tasks: A dependable tool for diverse fastening requirements in professional workshops and field service.

Benefits

• Reliable Performance: Delivers consistent and effective torque transmission, ensuring secure fastening and loosening of bolts and nuts.
• Enhanced Durability: The robust alloy steel construction withstands rigorous use in high-stress applications, providing a long-lasting industrial socket.
• Efficient Operation: Precision machining and 6-point configuration allow for quick and positive engagement, streamlining tasks.
• Reduced Fastener Damage: A snug, accurate fit minimizes slippage, preventing wear or rounding on hex fasteners and preserving their integrity.
• Extended Tool Life: Chrome plating offers superior resistance to rust and abrasion, maintaining the socket's professional appearance and functionality over time.