Milwaukee Tool 44 Magnum 2-Cutter SDS-Plus Drill Bit — 18 x 3/8 in.
The Milwaukee Tool 48-20-7457 is a 44 Magnum 2-cutter SDS-Plus rotary hammer drill bit with an 18 in. length and 3/8 in. diameter. Carbide construction ensures durability and extended bit life when drilling through concrete, masonry, and block in professional construction and electrical installation applications.
Key Features
- 44 Magnum 2-cutter design for fast, efficient drilling
- Carbide construction for durability and extended life
- SDS-Plus shank for compatibility with SDS-Plus rotary hammers
- 18 in. length for deep penetration
- 3/8 in. diameter
Specifications
- Model: 48-20-7457
- Brand/Line: 44 Magnum
- Shank Type: SDS-Plus
- Length: 18 in.
- Diameter: 3/8 in.
- Material: Carbide
- Cutter Design: 2-Cutter
Applications
Suited for electrical and mechanical contractors requiring deep, larger-diameter anchor holes and conduit penetrations through concrete, masonry, and block. The 3/8 in. diameter and 18 in. length make this bit ideal for through-wall drilling and anchor bolt installations in concrete construction.






