








Milwaukee SHOCKWAVE Impact Duty 3/8" Magnetic Nut Driver 49-66-4706
UNYIELDING ENGAGEMENT FOR HIGH-TORQUE FASTENING
Engineered to withstand the violent torque peaks of modern hydraulic and high-speed impact drivers, the SHOCKWAVE Impact Duty™ 3/8" Magnetic Nut Driver represents a significant advancement in fastener driving technology. By utilizing CUSTOM ALLOY76™ steel, Milwaukee has optimized the heat-treatment process to balance the hardness required for wear resistance with the ductility needed to survive high-impact cycles. The integrated SHOCK ZONE™ acts as a torsion bar, absorbing stress that would otherwise shatter standard bits, while the industrial-strength magnet is recessed and secured to ensure it remains functional throughout the entire lifespan of the tool, preventing the common failure point of lost or loose magnets in heavy-duty applications.
- / Optimized SHOCK ZONE™ geometry absorbs peak torque to prevent bit fracture during demanding fastening tasks.
- / CUSTOM ALLOY76™ Steel construction delivers maximum durability and extends bit life by up to 50X compared to standard nut drivers.
- / Heavy-duty internal magnet provides superior fastener retention for one-handed operation in overhead or hard-to-reach spaces.
- / Precision-machined chamfered edge and improved hex geometry ensure a perfect fit, significantly reducing the risk of stripping or rounding fastener heads.
- / Color-coded blue identification band allows for rapid size selection in high-volume production environments.
TECHNICAL SPECIFICATIONS
| Drive Size | 1/4" Hex |
| Nut Size | 3/8" |
| Overall Length | 2-9/16" |
| Material | CUSTOM ALLOY76™ Steel |
| Magnetic | Yes |
| Impact Rated | Yes |
WHAT'S IN THE BOX
(1) SHOCKWAVE Impact Duty™ 3/8" Magnetic Nut Driver (49-66-4706)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
UNYIELDING ENGAGEMENT FOR HIGH-TORQUE FASTENING
Engineered to withstand the violent torque peaks of modern hydraulic and high-speed impact drivers, the SHOCKWAVE Impact Duty™ 3/8" Magnetic Nut Driver represents a significant advancement in fastener driving technology. By utilizing CUSTOM ALLOY76™ steel, Milwaukee has optimized the heat-treatment process to balance the hardness required for wear resistance with the ductility needed to survive high-impact cycles. The integrated SHOCK ZONE™ acts as a torsion bar, absorbing stress that would otherwise shatter standard bits, while the industrial-strength magnet is recessed and secured to ensure it remains functional throughout the entire lifespan of the tool, preventing the common failure point of lost or loose magnets in heavy-duty applications.
- / Optimized SHOCK ZONE™ geometry absorbs peak torque to prevent bit fracture during demanding fastening tasks.
- / CUSTOM ALLOY76™ Steel construction delivers maximum durability and extends bit life by up to 50X compared to standard nut drivers.
- / Heavy-duty internal magnet provides superior fastener retention for one-handed operation in overhead or hard-to-reach spaces.
- / Precision-machined chamfered edge and improved hex geometry ensure a perfect fit, significantly reducing the risk of stripping or rounding fastener heads.
- / Color-coded blue identification band allows for rapid size selection in high-volume production environments.
TECHNICAL SPECIFICATIONS
| Drive Size | 1/4" Hex |
| Nut Size | 3/8" |
| Overall Length | 2-9/16" |
| Material | CUSTOM ALLOY76™ Steel |
| Magnetic | Yes |
| Impact Rated | Yes |
WHAT'S IN THE BOX
(1) SHOCKWAVE Impact Duty™ 3/8" Magnetic Nut Driver (49-66-4706)













