1-1/4"-7 to SDS Plus Core Drill Adapter Kit – Water Injection
1-1/4"-7 Male to SDS Plus Core Drill Adapter Kit with Water Injection
Upgrade your electric or hammer drill into a fully capable wet core drilling machine with this professional-grade 1-1/4"-7 Male to SDS Plus Drill Adapter Kit. Designed for contractors and serious DIYers, this kit delivers a seamless, efficient, and cleaner drilling experience — complete with everything you need right out of the box.
Made in Mainland China.
What's Included
- 1 × 1-1/4"-7 Male to SDS Plus shank core drill adapter (water injection capable)
- 1 × Garden hose
- 1 × Hose clamp
- 1 × Set of 3/4-inch solid brass hose quick connectors
Key Features
🔩 Complete Kit — Ready to Use
This all-in-one package includes the adapter, hose, hose clamp, and a solid brass 3/4-inch garden hose quick connector set. Everything you need for a seamless wet core drilling setup is included — no hunting for extra parts.
💧 Built-In Water Injection Capability
The adapter features an integrated water injection channel that transforms your standard hammer or electric drill into a wet core drill machine. Water flow cools the drill bit, significantly reduces airborne dust, and promotes a smoother, cleaner drilling process — ideal for concrete, masonry, stone, and tile applications.
⚡ Efficient Quick-Connect Fitting
The included standard 3/4-inch garden hose quick connect fitting is crafted from solid brass for lasting durability. It installs quickly onto standard spigots and hose ends, saving you valuable setup time on every job.
🎛️ Precise Water Flow Control & Ergonomic Grip
A built-in control valve at the water inlet lets you easily adjust water flow on the fly. The thoughtfully designed handle provides a secure, comfortable grip for steady, controlled drilling — even during extended use.
🛡️ Built for Durability
Constructed from quenched and tempered high-quality metal and plastic composite materials, this adapter is engineered for long-lasting performance under demanding job-site conditions. It maintains tight tolerances for reliable, repeatable results.
Specifications
- Connection Type: 1-1/4"-7 Male Thread to SDS Plus Shank
- Water Injection: Yes (built-in channel with flow control valve)
- Quick Connector Size: 3/4 Inch standard garden hose
- Quick Connector Material: Solid Brass
- Body Material: Metal + Plastic composite
- Color: As shown
- Origin: Mainland China
Note: Slight color variations may occur due to monitor display settings. Measurement tolerance: ±1–3 cm.
Safety & Standards Reference
For guidance on safe use of power tools and drilling equipment on job sites, refer to the OSHA Power Tools Safety Guidelines.
Frequently Asked Questions
Q: What drill types are compatible with this 1-1/4"-7 to SDS Plus adapter kit?
A: This adapter is compatible with any electric or hammer drill that accepts SDS Plus shank bits. The 1-1/4"-7 male thread end connects to standard core drill bits with a 1-1/4"-7 female thread, making it highly versatile for masonry, concrete, and stone core drilling applications.
Q: How does the water injection feature work with this SDS Plus drill adapter?
A: The adapter features a built-in water channel and a control valve at the water inlet. Simply connect your garden hose (via the included 3/4-inch brass quick connector), turn on the water supply, and adjust the flow valve to your desired rate. Water is directed through the adapter to the drill bit, cooling it and suppressing dust during operation.
Q: Is the brass quick connector compatible with a standard garden hose?
A: Yes. The included solid brass quick connector is sized for a standard 3/4-inch garden hose and fits most common outdoor spigots and hose ends. The quick-connect design allows for tool-free attachment and removal, speeding up your job-site setup.
Q: Is this adapter kit suitable for both professional and DIY use?
A: Absolutely. The quenched and tempered high-quality construction makes this adapter durable enough for professional contractor use, while the complete kit and straightforward setup make it equally accessible for serious DIY projects involving concrete, brick, tile, or masonry drilling.