Genius Tools Hex Head Driver 4mm Size 3/8 Inch Drive 76mm Length Durable Steel Construction - 347604
- 4mm Genius Tools hex head driver / impact bit socket for engaging compatible metric hex fasteners with a secure, size-specific fit.
- 3/8 inch drive configuration helps match this socket to the correct ratchet, extension, or compatible drive tool.
- 76mm overall length provides added reach while maintaining control when working with accessible or moderately recessed hex fasteners.
- Steel construction is heat treated and finished with black oxide coating to support durability during regular tool use.
- Stamped 4mm size markings make the bit socket easier to identify quickly and keep organized with similar driver sockets.
Also Available in Other Sizes (32) Same tool, different size Show all 32 sizes Hide sizes
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Size 4mm · Length 52mm
$11.58
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Size 4mm · Length 60mm
$11.30
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Size 5mm · Length 52mm
$11.58
- Size 5mm · Length 60mm Out of stock Sold out
- Size 5mm · Length 76mm Out of stock Sold out
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Size 6mm · Length 52mm
$11.58
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Size 6mm · Length 60mm
$13.00
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Size 6mm · Length 76mm
$13.66
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Size 7mm · Length 52mm
$12.93
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Size 7mm · Length 60mm
$12.09
- Size 7mm · Length 76mm Out of stock Sold out
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Size 8mm · Length 52mm
$12.93
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Size 8mm · Length 60mm
$13.91
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Size 8mm · Length 76mm
$14.62
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Size 9mm · Length 52mm
$12.93
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Size 9mm · Length 60mm
$13.91
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Size 9mm · Length 76mm
$12.71
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Size 10mm · Length 52mm
$12.93
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Size 10mm · Length 60mm
$12.09
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Size 10mm · Length 76mm
$12.71
-
Size 12mm · Length 52mm
$12.93
- Size 12mm · Length 60mm Out of stock Sold out
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Size 12mm · Length 76mm
$14.62
-
Size 14mm · Length 52mm
$12.93
- Size 14mm · Length 60mm Out of stock Sold out
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Size 14mm · Length 76mm
$14.62
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Size 16mm · Length 52mm
$13.77
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Size 16mm · Length 60mm
$13.91
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Size 16mm · Length 76mm
$14.62
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Size 17mm · Length 52mm
$13.77
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Size 17mm · Length 60mm
$13.91
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Size 17mm · Length 76mm
$14.62
Genius Tools Hex Head Driver 4mm Size 3/8 Inch Drive 76mm Length Durable Steel Construction - 347604 Hex Impact Bit Socket
SKU: 347604. This 4mm hex impact bit socket is built for 3/8" drive setups where consistent fit and dependable strength matter. The 76mm (2.99") overall length provides a practical balance of access and control for hex fasteners.
Made from Chromium Molybdenum Alloy Steel, it is designed for high strength, durability, and anti-corrosive performance. The socket is heat treated for strength and finished with a black oxide coating to help handle rigorous professional use.
Key Benefits
- 4mm hex bit socket design supports precise fit and efficient torque transfer.
- 3/8" drive size pairs with common ratchets and impact-compatible setups.
- 76mm (2.99") length offers reach while keeping handling stable and controlled.
- Chromium Molybdenum Alloy Steel construction delivers high strength and durability.
- Heat-treated impact bit socket for strength under demanding professional conditions.
- Black oxide coating and anti-corrosive properties help resist wear and corrosion.
- Stamped size markings provide quick identification and long-term tool organization.
Meets or exceeds ANSI standards and is backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects. Designed for professional technicians, this 4mm hex head driver socket is built for long service life and clear, reliable size identification in the toolbox.
| Brand | Genius Tools |
|---|---|
| Material | CRMO |
| Size | 4mm |
| Drive Size | 3/8" |
| Genius Tools Diameter | 19mm |
| Length | 76mm |
| Type | Head Drivers |
