Husqvarna Extended Diamond Core Drill Bit B1425 24 Inch 596038405 (1-1/4 UNC Thread Wet Turbo Segment Reinforced Flint Concrete Rebar Coring)
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Husqvarna Elite-Drill B1425 24-Inch Extended Core Diamond Drill Bit
The Husqvarna Elite-Drill B1425 (596038405) is an extended 24-inch core length diamond drill bit engineered for deep, single-pass wet coring through flint-hard cured concrete and embedded steel rebar. Featuring a standard 1-1/4"-7 UNC threaded connection and a Gold-series turbo segment bond matrix, this heavy-duty core bit penetrates thick structural bridge decks, foundation walls, and utility vaults without requiring barrel extensions. Designed specifically for continuous water cooling, its 0.4-inch total height turbo segments maintain aggressive penetration speeds while reducing friction and vibration to protect core drill rig motors during heavy commercial drilling.
Best Used For:
- Bridge Deck & Foundation Penetrations: Coring deep 24-inch continuous utility pathways through thick reinforced concrete abutments and structural retaining walls without extension rods.
- Flint & Hard Aggregate Coring: Drilling through dense, abrasive cured concrete containing hard flint aggregates and heavy structural rebar cages.
- Commercial HVAC & Electrical Rough-In: Creating clean, precise round penetrations for heavy conduit, drain pipes, and utility lines in commercial facilities.
Key Performance & Safety Features
- 24-Inch Extended Tube Barrel: Provides deep drilling capability in a single pass to eliminate the setup time and alignment drift of barrel extension rods.
- Gold Series Elite-Drill Performance Matrix: Husqvarna’s highest performance tier designed specifically for high-frequency professional coring in hard materials.
- Rebar-Formulated Diamond Bond: Advanced metal matrix holds synthetic diamonds securely to cut through steel rebar without segment glazing or binding.
- Vibration-Reducing Turbo Segments: Straight turbo segment geometry reduces surface friction to lower motor amp draw and optimize operator control.
- Wet-Coring Hydro-Cooling Design: Internal water flow channels continuously clear concrete slurry from the cut zone to prevent thermal segment loss.
- Universal 1-1/4"-7 UNC Threaded Hub: Mounts directly onto standard professional electric and hydraulic core drill rigs.
What's Included
- (1) Husqvarna Elite-Drill B1425 24" Extended Core Diamond Drill Bit (596038405)
Technical Specifications
| Brand Manufacturer | Husqvarna Construction Products |
| Model Part Number OEM SKU | B1425 / 596038405 |
| Performance Series Class | Elite-Drill (Gold Series) |
| Usable Core Drilling Length | 24 inches (609-6/10 mm) |
| Threaded Rig Mounting Connection | 1-1/4"-7 UNC Threaded Attachment |
| Diamond Segment Style | Turbo / Straight Segment |
| Total Segment Height | 4/10 inches (0.4 in / 10-16/100 mm) |
| Diamond Matrix Depth Layer | 3/10 inches (0.3 in / 7-62/100 mm) |
| Segment Base Height | 1/10 inches (0.1 in / 2-54/100 mm) |
| Coolant Requirements | Wet Use Only (Continuous Water Supply) |
| Primary Application Materials | Flint Concrete, Heavy Steel Rebar, Hard Aggregate |
Pro-Tip: Maintain constant water pressure to flush slurry out of the 24-inch deep hole; adequate water volume prevents slurry buildup from binding the steel tube or burning the diamond matrix.