Husqvarna Diamond Core Bit 542788340 B1420 7/8 Inch Wet Cutter (5/8 11 Thread 14 Depth Thin Wall Reinforced Concrete Masonry Handheld Drilling)
Couldn't load pickup availability
Industrial Thin-Wall Wet Core Drilling Tool for Controlled Handheld Mechanical Masonry Runs
The Husqvarna 542788340 B1420 Gold Series 7/8-Inch Wet Diamond Core Bit delivers professional-grade mechanical shearing precision when boring structural conduit openings through reinforced concrete, solid brick, and dense stone blocks. Engineered with an ultra-efficient 0.125-inch thin-wall segment configuration, this industrial crown cutter drastically reduces surface friction to optimize material removal rates while cutting down operator vibration under continuous runtime. The universal 5/8-11 threaded connection matches perfectly with stationary rigs or handheld core drill motors operating between 2 and 5 horsepower, providing high-speed drilling up to a maximum depth of 14 inches. Continuous wet coolant usage maintains structural segment integrity, cooling the premium abrasive interface and accelerating core slurry extraction out of deep blind holes to secure true-round tolerances on demanding jobsites.
Best Used For:
- Utility Line Hole Layouts: Boring precise 7/8-inch cylindrical openings through structural masonry walls to route electrical wires, data lines, and small pipe networks.
- Controlled Handheld Deep Drilling: Executing smooth, low-fatigue handheld core penetrations up to 14 inches deep in reinforced structural concrete without motor lugging.
- Wet Aggregate Mechanical Cutting: Running wet cutting sequences in highly abrasive hard-fired brick, block walls, and natural building stone facades under continuous water irrigation.
Key Performance & Safety Features
- Gold Tier Classification: Premium engineering design yields high rotational cutting speed metrics alongside balanced segment lifespan parameters across complex demolition materials.
- Thin-Wall Crown Tube: Ultra-lean core body profiling sheds structural weight, maximizing power transfer and preventing handheld tool wander at startup.
- Industrial 5/8-11 Connection: Rigid tool steel thread interface provides direct axial stability and fits universally into commercial-grade mechanical drill spindles.
- 0.400-Inch Segment Height: Raised abrasive matrix profile ensures long mechanical service cycles before segment replacement thresholds are approached.
- Rigid Single-Piece Crown: Integrated single-piece continuous segment layout enhances cylinder roundness to stop aggregate bit binding.
What's Included
- (1) Husqvarna 7/8" x 14" B1420 Gold Series Wet Diamond Core Bit
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Husqvarna |
| Article Number | 542788340 |
| Series Class | B1420 Gold Tier |
| Core Diameter | 0.875 in (7/8") |
| Maximum Drilling Depth | 14.0 in |
| Drill Connection Size | 5/8-11 TPI |
| Segment Width | 0.125 in (1/8") |
| Segment Height | 0.400 in |
| Required Cooling | Wet Cut Mode |
| Compatible Power Output | 2.0 hp to 5.0 hp Motors |
| Product Weight | 1.32 lbs |
Pro-Tip: When initiating handheld wet core runs in masonry substrates, hold the bit at a slight 30-degree angle to the surface until the segment carves a shallow starter crescent. Slowly swing the tool perpendicular to full engagement to prevent bit skating or segment chattering before a reliable internal tracking path is formed.