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The Milwaukee 49-66-4715 SHOCKWAVE Impact Duty 1/4″ Magnetic Nut Driver is built to solve the most common failure points in high-torque fastening: bit breakage and magnet loss. By utilizing an optimized SHOCK ZONE geometry, these insert bits are designed to flex under peak torque, significantly extending the service life of the tool compared to standard nut drivers. The CUSTOM ALLOY76 steel is heat-treated to a specific hardness that balances strength with ductility, ensuring that the hex geometry remains crisp even after thousands of cycles. For professionals relying on impact drivers for repetitive assembly or installation, the industrial-strength magnet provides unyielding engagement, preventing dropped fasteners and increasing overall jobsite efficiency.
TECHNICAL SPECIFICATIONS
| Drive Size | 1/4″ |
| Bit Type | Magnetic Insert Nut Driver |
| Material | CUSTOM ALLOY76 Steel |
| Shank Type | 1/4″ Hex |
| Compatibility | Impact Drivers and Drill Drivers (Requires Bit Holder) |
(1) SHOCKWAVE Impact Duty 1/4″ Magnetic Insert Nut Driver (49-66-4715)