1/2\" DR. 21MM EXTRA THIN WALL - Sunex Tools

The Sunex Tools 284321 1/2" DR. 21MM Extra Thin Wall Deep Impact Socket is engineered for professional automotive and industrial applications where precision and durability are paramount. This specialized impact socket features an extra-thin wall design and a protective sleeve, allowing technicians to safely access recessed lug nuts on polished wheels without causing damage. Constructed for rigorous use, it delivers reliable performance for demanding tasks.

Key Features

• Extra Thin Wall Design: Allows for access into tight clearance areas, protecting expensive wheels and fasteners from damage during service.
• Durable CR-MO Alloy Steel Construction: Forged from high-strength Chrome Molybdenum (Cr-Mo) alloy steel, ensuring maximum durability and longevity under high-torque impact use.
• Wheel Protector Sleeve: Features a specialized plastic sleeve that shields high-polished wheels and lug nuts from scratches and marring during installation and removal. The socket itself often features a distinctive finish, such as red anodized, for easy identification.
• 6-Point Radius Corner Design: The six-point geometry provides maximum contact with fastener flats, reducing rounding and offering superior torque transfer, while the radius corner design extends fastener life by driving the side, not the corner.
• Impact Rated: Specifically designed and rigorously tested for use with impact wrenches and pneumatic tools, meeting or exceeding ANSI and ASME standards for reliable and safe performance.
• High-Visibility Markings: Equipped with dual laser-etched and stamped size markings for quick and clear identification, even in low-light conditions.

Applications

This 21mm extra thin wall deep impact socket is an essential tool for professional mechanics and technicians. It is ideally suited for tire service and wheel installations, particularly on vehicles equipped with alloy wheels that have deep or narrow lug nut recesses, common on many modern passenger vehicles and light trucks. Its extended length enables the use of a standard impact wrench without needing an additional extension or an impact wrench with an extended anvil. The protective sleeve makes it indispensable for working on custom or high-end wheels where preventing cosmetic damage is critical.

Specifications

• Manufacturer: Sunex Tools
• Model Number: 284321
• Drive Size: 1/2" DR.
• Socket Size: 21mm
• Points: 6-Point
• Socket Depth: Deep
• Material: Chrome Molybdenum (Cr-Mo) Alloy Steel
• Special Feature: Extra Thin Wall with Wheel Protector Plastic Sleeve
• Length: Approximately 150mm (5.9")