Milwaukee Shockwave Impact Duty 1/2" Square to 1/4" Hex Adapter 48-03-4410

The Milwaukee Shockwave Impact Duty 1/2" Square to 1/4" Hex Adapter (48-03-4410) transforms your 1/2" impact wrench into an impact driver, allowing you to use any 1/4" hex shank bit for a wide variety of fastening and driving applications. Made with proprietary Custom Alloy76™ Steel and a heat-treat process engineered for maximum strength and durability, this adapter is built for heavy-duty use in all impacts. The optimized Shockzone™ absorbs peak torque to prevent breaking under high-impact loads, extending both adapter and bit life.

Key Features

• Custom Alloy76™ Steel — Proprietary alloy and heat-treat process engineered for maximum strength, durability, and extended bit life
• Optimized Shockzone™ — Absorbs peak torque to prevent breaking under high-impact loads
• Heavy-Duty Construction — Built for fastening capabilities across all impact wrenches and drivers
• 1/2" Square Input to 1/4" Hex Output — Converts impact wrench drive to accept any standard 1/4" hex shank bit
• Impact-Rated — Designed specifically to withstand the high-torque demands of impact tools

Specifications

• Brand: Milwaukee
• Model: 48-03-4410
• Series: Shockwave Impact Duty
• Input Drive: 1/2" Square
• Output Drive: 1/4" Hex
• Shank Size: 1/2"
• Bit Type: Driver Adapter
• Impact or Standard: Impact
• Material: Custom Alloy76™ Steel (heat-treated)
• Color: Black
• Magnetized: No
• Weight: 0.24 lb
• Dimensions: 1"H × 2.9"L × 3.9"W
• Pieces Included: 1
• MPN: 48-03-4410

Frequently Asked Questions

What does this adapter do?
The 48-03-4410 adapter converts a 1/2" square drive impact wrench into an impact driver, allowing you to use any standard 1/4" hex shank screwdriver bits or driver bits. This eliminates the need for a separate drill/driver for fastening tasks when you already have a 1/2" impact wrench on hand.

Is this adapter rated for use with impact tools?
Yes — the Shockwave Impact Duty adapter is specifically engineered for high-torque impact tool use. The Shockzone™ absorbs peak torque to prevent fracturing, and the Custom Alloy76™ Steel construction is heat-treated for maximum durability under repeated impact loads.

What 1/4" hex bits are compatible with this adapter?
Any standard 1/4" hex shank bit is compatible, including Shockwave impact-rated bits, standard driver bits, and other 1/4" hex accessories. For best performance and longevity under impact loads, Milwaukee recommends using impact-rated bits.

What is the Shockzone™?
The Shockzone™ is an engineered flex zone built into Milwaukee Shockwave accessories that absorbs and redistributes peak torque generated during impact tool use. This reduces stress concentrations that would otherwise cause the adapter or bit to snap, significantly extending service life.