Spline Thick Wall Core Bit 18" Adapter Shank
Spline Thick Wall Core Bit 18" Adapter Shank
48-03-3565
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$87.30
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$87.30
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$62.36
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Milwaukee 48‑03‑3565 – SDS‑Max Thick Wall Core Bit Adapter Shank
The Milwaukee 48‑03‑3565 is a thick wall core bit adapter shank designed for use with Milwaukee thick wall core bits and SDS‑Max rotary hammer drills. It allows users to extend the reach of core bit drilling for creating large holes in concrete, block, and other masonry materials during construction, electrical, plumbing, and HVAC work.
This adapter is a key accessory when standard core bit depths are insufficient, enabling deeper penetration without needing longer individual core bits.
Key Features
- SDS‑Max compatible shank for professional rotary hammer drills
- Connects Milwaukee thick wall core bits for large‑hole masonry drilling
- Heavy‑duty steel construction for demanding jobsite use
- Extends drilling reach for deeper cores through thick materials
- Ideal for concrete, block, and structural masonry applications
Specifications
- Model: 48‑03‑3565
- Type: SDS‑Max core bit adapter shank
- Compatibility: SDS‑Max rotary hammers and Milwaukee thick wall core bits
- Application: Deep masonry core drilling (plumbing chases, conduit holes, HVAC penetrations)
- Typical Users: Contractors, electricians, plumbers, and HVAC installers
Typical Applications
- Creating large holes through concrete walls and floors
- Installing electrical conduit or piping openings
- HVAC or mechanical chase drilling
- Renovation and new construction masonry work
✅ Summary:
The Milwaukee 48‑03‑3565 is a rugged SDS‑Max adapter shank that enables deeper drilling with Milwaukee thick wall core bits, making it a valuable accessory for heavy‑duty masonry core drilling tasks.

Spline Thick Wall Core Bit 18" Adapter Shank
$87.30