Milwaukee Electric Tool 48-20-9046 Carbide Hammer Drill Bit

Product Description

The Milwaukee Electric Tool Corp 48-20-9046 is a carbide hammer drill bit built for demanding masonry and concrete drilling applications. Measuring 3/4 inch in diameter with a 10-inch working length and 12-inch overall length, this bit is designed for rotary hammer or hammer drill use. The hardened carbide tip provides durability against abrasive materials, and the geometry is optimized for fast penetration and efficient debris clearing in tough substrate work. Licensed tradespeople including electricians, plumbers, HVAC installers, and general contractors will find this bit suited to anchor setting and conduit or pipe penetration tasks through concrete, block, and masonry.

This bit is appropriate for residential and light commercial installation work where anchors, sleeves, or through-penetrations are required in concrete or masonry walls, floors, and ceilings. It is sold in a package quantity of 3, making it practical for job-site stocking. Typical applications include anchor bolt holes for equipment mounting, conduit sleeve penetrations, and structural attachment points in poured concrete or CMU block construction.

Key Features

• Carbide tip for extended service life in abrasive masonry and concrete
• 3/4-inch diameter with 10-inch working length and 12-inch overall length
• Designed for use with rotary hammer or hammer drill
• Package quantity of 3 bits per unit for job-site efficiency
• Geometry supports fast chip clearing during drilling

Compatibility

Designed as an OEM-style replacement or stock consumable for use with standard rotary hammer and hammer drill chucks accepting 3/4-inch shank carbide masonry bits.

Installation Notes

Installation should be performed by a qualified tradesperson familiar with rotary hammer operation and masonry drilling procedures. Ensure the hammer drill or rotary hammer is powered off and unplugged before changing bits. Wear appropriate eye and hearing protection when drilling into concrete or masonry. Follow applicable codes, including NEC and IPC requirements, for penetration sizing and sleeve installation in fire-rated assemblies.

Technical Specifications

• Diameter: 3/4 inches
• Working Length: 10 inches
• Overall Length: 12 inches
• Weight: 2.12 pounds
• Package Quantity: 3
• Unit of Measure: EA
• Tip Material: Carbide

Standard Information

• Brand: Milwaukee Electric Tool Corp
• Manufacturer Part Number: 48-20-9046