Product Description
Milwaukee SDS Max 2-Cutter 1/2 in. x 31 in. x 36 in.
Model Number: 48-20-3906
The Milwaukee 48-20-3906 is an SDS Max rotary hammer drill bit in 1/2 in. diameter with a 31 in. working length and 36 in. overall length — an extreme extended-reach configuration at the 1/2 in. diameter for the deepest structural anchor embedments and thickest through-wall penetrations requiring SDS Max platform energy at this bore size. The standard 2-cutter carbide tip provides reliable concrete drilling performance through the full 31 in. working depth in commercial concrete conditions. The 36 in. overall length is a maximum extended configuration — serving the deepest foundation walls, multi-layer structural assemblies, and the longest anchor embedment depths specified for the highest pull-out load ratings in critical structural connections where no shorter SDS Max configuration reaches the required depth from a single accessible drill position.
Milwaukee engineers the flute geometry for this extreme length to maintain effective concrete debris transport from the full 31 in. working depth — at this diameter and length combination, the continuous chip transport from the deep working zone to the surface requires precise flute pitch calibration for the sustained production drilling pace that structural anchor installation demands. The SDS Max shank provides the positive anti-rotation locking and high-energy impact transmission that extreme-depth drilling in dense commercial concrete demands. The 1/2 in. diameter at this length is the specification for the deepest 3/8 in. wedge anchor and sleeve anchor installations where the highest available pull-out load ratings require maximum embedment depth at standard commercial anchor diameters.
See Milwaukee's complete SDS Max catalog for all available 1/2 in. configurations from standard through extreme extended lengths for every structural anchor application.
Features
- 36 in. overall — maximum SDS Max reach for deepest 1/2 in. structural embedments
- SDS Max for maximum impact energy in the most demanding deep anchor drilling
- 1/2 in. for 3/8 in. wedge and sleeve anchors at maximum pull-out load embedments
- Optimized fluting for debris evacuation through full 31 in. working depth
- 2-cutter carbide tip for reliable commercial concrete drilling at extreme depth
Specifications
- Diameter: 1/2 in.
- Working Length: 31 in.
- Overall Length: 36 in.
- Tip: 2-Cutter Carbide
- Shank: SDS Max
Includes
- (1) Milwaukee 48-20-3906 SDS Max 2-Cutter 1/2 in. x 31 in. x 36 in.
