Genius Tools Triple Square Bit Socket M4 Size 3/8 Inch Drive 140mm Length Durable S2 Steel - 308+8604
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Genius Tools Triple Square Bit Socket M4 Size 3/8 Inch Drive 140mm Length Durable S2 Steel - 308+8604
- Genius Tools M4 triple square bit socket with a 3/8-inch drive helps match the correct fastener size and drive tool setup.
- 140mm (5.51") overall length provides added reach for recessed or hard-to-access fasteners where a shorter bit socket may not fit.
- S2 steel construction identifies the socket’s material clearly for customers comparing bit sockets by size, drive, length, and steel type.
- Permanently stamped size markings make the M4 size easier to identify quickly and help keep similar sockets organized.
- Securely attached, interchangeable bit socket design supports dependable engagement in tool setups requiring Genius Tools part 308+8604.
Also Available in Other Sizes (34) Same tool, different size Show all 34 sizes Hide sizes
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Size M4 · Length 50mm
$6.66
-
Size M4 · Length 110mm
$9.78
-
Size M4 · Length 180mm
$14.02
-
Size M4 · Length 220mm
$15.84
-
Size M5 · Length 50mm
$5.79
-
Size M5 · Length 110mm
$9.78
-
Size M5 · Length 140mm
$12.17
-
Size M5 · Length 180mm
$14.02
-
Size M5 · Length 220mm
$15.84
-
Size M6 · Length 50mm
$6.66
-
Size M6 · Length 110mm
$11.25
-
Size M6 · Length 140mm
$12.17
-
Size M6 · Length 180mm
$14.02
-
Size M6 · Length 220mm
$15.84
-
Size M8 · Length 50mm
$8.72
-
Size M8 · Length 110mm
$12.34
-
Size M8 · Length 140mm
$16.88
-
Size M8 · Length 180mm
$17.01
-
Size M8 · Length 220mm
$22.23
-
Size M10 · Length 50mm
$9.78
-
Size M10 · Length 110mm
$17.94
-
Size M10 · Length 140mm
$23.32
-
Size M10 · Length 180mm
$22.61
-
Size M10 · Length 220mm
$28.65
-
Size M12 · Length 50mm
$10.84
-
Size M12 · Length 110mm
$18.86
-
Size M12 · Length 140mm
$27.32
-
Size M12 · Length 180mm
$30.82
-
Size M12 · Length 220mm
$34.03
-
Size M14 · Length 50mm
$13.66
-
Size M14 · Length 110mm
$22.13
-
Size M14 · Length 140mm
$31.34
-
Size M14 · Length 180mm
$35.36
-
Size M14 · Length 220mm
$34.23
Also Available in These Sets (1) This item is included in each set below Show all 1 sets Hide sets
Genius Tools Triple Square Bit Socket M4 Size 3/8 Inch Drive 140mm Length Durable S2 Steel - 308+8604 Triple Square Bit Socket
This 3/8" drive M4 triple square bit socket is built for professional hand tool workflows where precise fastener engagement and dependable bit retention matter. The 140mm (5.51") overall length provides added reach while keeping control with a standard 3/8" drive setup.
Designed for technicians who need consistent results, it features permanently stamped sizing for fast identification and is built to handle demanding shop use with securely attached, interchangeable bit socket construction.
Key Benefits
- 3/8" drive M4 triple square bit socket supports precise, repeatable fastener engagement.
- 140mm (5.51") overall length helps reach recessed or hard-to-access hardware.
- Made from high speed steel for strength, durability, and anti-corrosive properties.
- Sizes are permanently stamped for quick identification and better tool organization.
- Securely attached and interchangeable design withstands rigorous professional technician use.
- Meets or exceeds ANSI standards for reliable, consistent shop performance.
- Backed by a limited lifetime warranty against manufacturer defects for peace of mind.
SKU: 308+8604. Built as a professional-grade bit socket, it’s intended for long-term heavy use where durability, identification, and consistent fit are essential. The combination of reach, stamped markings, and high-speed steel construction supports efficient, organized work without compromising reliability.
| Brand | Genius Tools |
|---|---|
| Material | HSS |
| Size | M4 |
| Drive Size | 3/8" |
| Length | 140mm |
| Type | Triple Square Bit Sockets |
| Socket Style | Bit Socket |
