Product Description
Milwaukee SDS+ Bit 1/2 in. x 16 in. x 18 in.
Model Number: 48-20-7477
The Milwaukee 48-20-7477 is an SDS+ rotary hammer drill bit in 1/2 in. diameter with a 16 in. working length and 18 in. overall length — the maximum extended-reach configuration at one of the most heavily used commercial anchor diameters for the deepest structural anchor embedments and thickest through-wall penetrations requiring the SDS+ platform. Milwaukee 44 Magnum SDS+ bits feature carbide vacuum-brazed to heat-treated steel shanks with optimized helical fluting for concrete drilling performance. The 18 in. overall length provides working reach for thick concrete foundation walls, multi-layer construction assemblies, and structural anchor embedment depths specified by engineers for the highest available pull-out load ratings in critical structural connection applications where no shorter configuration has adequate depth.
At 1/2 in. diameter and 16 in. working depth, Milwaukee's flute design must maintain effective concrete debris transport throughout the full extended depth without the choking that would interrupt production pace — the flute pitch, depth, and helix angle are all calibrated for this specific diameter-length combination to ensure continuous debris evacuation during sustained drilling. The 1/2 in. diameter covers 3/8 in. wedge anchor, sleeve anchor, and drop-in anchor systems used for structural equipment mounting and the range of medium-duty anchor fastening applications in commercial and industrial construction. The SDS+ shank provides tool-free engagement in all SDS+ rotary hammers — for the hardest conditions at this large diameter, the SDS Max platform provides higher impact energy delivery.
See Milwaukee's complete 44 Magnum SDS+ catalog for all available 1/2 in. lengths and for SDS Max configurations for maximum energy delivery.
Features
- 18 in. overall — maximum SDS+ standard reach for 1/2 in. deep structural embedments
- Carbide tip vacuum-brazed to heat-treated steel for extreme-depth anchor drilling
- 1/2 in. for 3/8 in. wedge, sleeve, and drop-in anchor systems
- Optimized fluting for debris evacuation through full 16 in. working depth
- SDS+ shank for tool-free engagement on all SDS+ rotary hammers
Specifications
- Diameter: 1/2 in.
- Working Length: 16 in.
- Overall Length: 18 in.
- Shank: SDS+
- Tip: Carbide, Vacuum-Brazed
Includes
- (1) Milwaukee 48-20-7477 SDS+ Bit 1/2 in. x 16 in. x 18 in.
