Milwaukee FourFlat™ 1/4" Drive, 1/4“F X 3/8”M Socket Adapter

Milwaukee FourFlat™ 1/4" Drive, 1/4“F X 3/8”M Socket Adapter

The Milwaukee 42-04-9110 FOUR FLAT™ 1/4" Drive (Female) to 3/8" Drive (Male) Socket Adapter is a compact, versatile tool designed to expand your drive compatibility while keeping control and durability front and center. Featuring the FOUR FLAT™ anti-roll design, it stays put when you set it down and allows for wrench-assisted turning when needed. With secure socket retention and a corrosion-resistant chrome finish, this adapter is built to handle everyday use without becoming the weak link in your setup.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 42-04-9110
• Brand: Milwaukee
• Product Type: Socket adapter
• Drive Conversion: 1/4" Female to 3/8" Male
• Design: FOUR FLAT™ sides deter rolling and provide wrench-ready surfaces
• Retention: Secure socket retention for reliable engagement
• Identification: Easy-to-read size markings for quick selection
• Finish: Chrome plated for corrosion and rust resistance
• Durability: Built for long-lasting, everyday use
• Protection: Designed with rust and corrosion resistance
• Warranty: Lifetime Guarantee

Ideal For

• Increasing drive size from 1/4" to 3/8" without switching tools
• Situations where anti-roll design and added control are helpful
• General automotive and mechanical work requiring adapter versatility
• Anyone who prefers tools that stay put instead of rolling off the bench (gravity has enough wins already)