The Rotabroach Twist Drill Adaptor in 7mm lets you use stub length twist drill bits with your Rotabroach magnetic drill or rail drill, offering a simple way to expand the range of work your machine can handle. The 7mm size covers a versatile mid-range drilling requirement suitable for a variety of applications. Each adaptor is machined to a high tolerance to ensure concentricity is maintained during use, delivering cleaner holes and more consistent performance — whether you're on site or working on a home project. Compatible with all Rotabroach magnetic drills and rail drills, this adaptor slots seamlessly into your existing setup. Designed for use with stub length drill bits Features and Benefits: • Machined to a high tolerance for maintained concentricity • Compatible with all Rotabroach magnetic drills and rail drills • Suitable for stub length drill bits • Broadens the versatility of your magnetic drill • Suitable for professional tradespeople and DIY enthusiasts