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The MILWAUKEE ELEC TOOL 48-32-4663 is a 5-pack of 1-inch Number 3 Phillips insert bits built for high-demand fastening and impact fastening applications. These bits are part of the Shockwave line and are constructed from Custom Alloy76 steel using a specialized heat treatment process matched to the specific tip type. The Wear Guard Tip design maintains a secure fit over the life of the bit, and Shockzone geometry is engineered to absorb peak torque and reduce the risk of breakage. Rated for performance up to 50 times longer than standard competitive impact driver bits, these are a practical high-cycle solution for contractors and trade professionals running impact drivers daily.
The 48-32-4663 is suited for residential and light commercial fastening work where a Number 3 Phillips drive is required. Typical applications include structural fastening, decking, framing connectors, and any task calling for a larger Phillips head screw. The 1-inch insert length fits standard quick-change impact driver chucks. Each pack contains 5 bits, making it a cost-effective option for crews that rotate bits frequently or maintain multiple tools on a job site.
Designed as a 1-inch insert-style replacement bit for use with standard quick-change impact driver chucks accepting Number 3 Phillips insert bits.
Insert bits should be seated fully into the driver chuck before operation. Inspect the bit tip before each use and replace any bit showing visible wear or rounding to avoid damaging fastener heads. These bits are intended for power impact drivers and may also be used in standard drills with a quick-change adapter. Follow tool manufacturer guidelines for maximum recommended torque settings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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