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The MILWAUKEE TOOL 48-20-8063 is a carbide-tipped rotary hammer drill bit designed for use with SDS-Plus chuck systems. It features a spear cutting shape optimized for drilling into masonry, concrete, and similar hard substrates. The bit has a 13mm diameter, a usable flute length of 110mm (approximately 4.33 inches), and an overall length of 160mm (approximately 6.30 inches). The carbide-tipped construction provides extended wear resistance compared to standard high-speed steel bits. This bit is intended for installation and service professionals who work with rotary hammer drills on structural or finish drilling tasks in hard materials.
This drill bit is suited for residential and commercial applications where SDS-Plus rotary hammer drills are the standard tool of choice. Typical use cases include anchoring, conduit routing, and structural penetrations through concrete block, poured concrete, or similar masonry. The 13mm diameter is commonly used when setting medium-duty anchors or running larger-diameter conduit sleeves through masonry walls. Electricians, plumbers, and HVAC technicians regularly use bits in this size range when making service penetrations through concrete or block construction.
Designed as a direct-fit replacement or spare for SDS-Plus rotary hammer drills accepting 13mm shank bits. Verify shank compatibility with your specific rotary hammer model before installation.
This bit is installed and used by licensed electricians, plumbers, HVAC technicians, and other trades requiring masonry penetrations. Always power down and disconnect the rotary hammer from its power source before inserting or removing a drill bit. Wear appropriate personal protective equipment including eye protection and hearing protection when operating rotary hammer drills. Follow applicable codes and manufacturer guidelines for anchor placement and structural penetration clearances.
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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