Genius Tools Star Bit Socket T-40 Size 3/8 Inch Drive 140mm Length Durable S2 Steel - 308+6640
- Genius Tools 308+6640 is a T-40 star bit socket with a 3/8 inch drive for matching compatible star fasteners and drive tools.
- 140mm overall length provides added reach for recessed or obstructed fasteners where a shorter star bit socket may be harder to position.
- 3/8 inch drive configuration fits compatible ratchets and extensions, helping users integrate the socket into an existing drive setup.
- S2 steel construction identifies the socket material clearly for customers comparing bit sockets by size, drive, length, and construction.
- Stamped size markings make the T-40 size easier to identify quickly, supporting faster tool selection and more organized storage.
Genius Tools Star Bit Socket T-40 Size 3/8 Inch Drive 140mm Length Durable S2 Steel - 308+6640 Professional Star Bit Socket
This 3/8 inch drive T-40 star bit socket is built for consistent fit, controlled torque, and dependable service life in a professional hand tool setup. The 140mm overall length helps reach recessed or obstructed fasteners while maintaining stable engagement during use.
Made from High Speed Steel with anti-corrosive properties, it is designed for durability in demanding shop conditions. Size markings are stamped for quick identification and long-term tool organization.
Key Benefits
- T-40 star bit socket profile supports secure engagement on compatible fasteners.
- 3/8 inch drive fits common ratchets and extensions in professional toolkits.
- 140mm overall length helps reach fasteners in tighter or recessed locations.
- High Speed Steel construction offers strength, durability, and anti-corrosive properties.
- Stamped size markings provide permanent identification for faster tool selection.
- Bit is securely attached yet interchangeable for flexible service and replacement.
- Meets or exceeds ANSI standards for performance expectations in professional use.
What’s Included
- 1pc star bit socket
Designed for professional technicians, this star bit socket balances reach, grip, and long-term durability. The combination of 3/8 inch drive compatibility, clearly stamped sizing, and high-strength steel construction supports reliable fastening work while meeting ANSI standards and backed by a Genius Tools limited lifetime warranty against manufacturer defects.
| Brand | Genius Tools |
|---|---|
| Material | HSS |
| Size | T-40 |
| Drive Size | 3/8" |
| Length | 140mm |
| Type | Star |

