Steel Core Bit Extension, 1 1/4" F-M, Deep Bore Diamond Drilling, Stackable, Select Sizes
SKU Extension Drill Bit 200
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Description
This 1 1/4-inch female-to-male steel core bit extension connects between a compatible drill spindle and diamond core bit to extend drilling depth for plumbing mains, utility paths and structural anchor bores. Made from high-tensile structural steel, it provides rigid, straight-line tracking under the torque loads of professional rig-mounted and handheld diamond drilling machines. Its hollow internal geometry supports continuous high-pressure wet water feed, while the modular design allows extensions to be stacked for deeper drilling applications.
Highlights
- Extends the working depth of compatible diamond core drilling equipment
- 1 1/4-inch UNC female interface connects to the drill spindle
- 1 1/4-inch UNC male interface connects to the diamond core bit
- High-tensile structural steel construction for heavy-duty commercial drilling
- Hollow internal geometry supports continuous high-pressure wet water feed
- Fully modular and stackable design
- Suitable for rig-mounted and handheld diamond core drilling machines
- Available in multiple extension lengths for different bore-depth requirements
Specifications
| Brand | Husqvarna |
| Product Type | Steel core bit extension |
| Core Performance Tier | Silver / Heavy-Duty Commercial |
| Female Machine Interface | 1 1/4-inch UNC |
| Male Core Bit Interface | 1 1/4-inch UNC |
| Thread Pitch Configuration | 7 TPI |
| Primary Metallic Composition | Premium high-tensile structural steel |
| Surface Protection | Rust-resistant black oxide / industrial zinc plating |
| Internal Geometry | Hollow core optimized for continuous high-pressure wet water feed |
| Extension Sizes | 200 mm, 300 mm, 400 mm, 500 mm, 1000 mm |
| Available Sizes | 200 mm, 300 mm, 400 mm, 500 mm, 1000 mm |
Special Notes
- Confirm that the drill spindle and diamond core bit use compatible 1 1/4-inch UNC interfaces before installation
- Extension length is selected from the available size options
