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Product Description
This 1 1/4-inch UNC to SDS Plus adapter is designed for connecting compatible core drill bits to SDS Plus rotary hammers. Made from durable 45-gauge steel, it offers reliable strength, stable performance, and long service life for drilling applications. Ideal for users who need a dependable UNC to SDS Plus thread adapter, it helps expand tool compatibility while maintaining a secure fit. Please confirm thread and socket compatibility before purchase. Important: this is an SDS Plus adapter, not SDS Max, and it is not suitable for hammer mode.


02KEY FEATURES
Thread Conversion
Converts 1 1/4-inch UNC thread to SDS Plus connection for compatible drilling setups.
KEY FEATURES
Wide Compatibility
Fits rotary hammers with an SDS Plus interface and works with core drills using UNC threads.
KEY FEATURES
Secure Connection
Helps provide a stable and firm fit for more efficient drilling performance.
KEY FEATURES
Practical Application
Suitable for professional and workshop drilling tasks where adapter flexibility is needed.
KEY FEATURES
Important Notice
Compatible with SDS Plus only; not for SDS Max tools and cannot be used in hammer mode.
Specifications
- Product Type
- Thread Adapter
- Thread Size
- 1 1/4-inch UNC to SDS Plus
- Material
- 45-gauge steel
- Compatible Tools
- Rotary hammers with SDS Plus thread / socket
- Suitable For
- Core drills with UNC threads and SDS Plus socket setups
- Usage Limitation
- Not for SDS Max; not for hammer mode
Usage
Ideal for drilling applications in workshops, construction tasks, equipment maintenance, and tool adaptation setups, this adapter is a practical choice for users needing a reliable connection between compatible UNC core drills and SDS Plus rotary hammers.















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