HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Our High Quality 32 X 400 Mm Drill Bit Is Perfect For Use With Electric Core Drills For Drilling On Granite Hard Stone Concrete Reinforced Concrete And Other Hard Surfaces. Its Durable Construction Will Ensure Smooth Operation Of The Drills.We Also Provide Bits Of Other Sizes To Meet Different Drilling Needs. delivery Includes 1 Diamond Core Drill Bit. Size: 32 X 400 Mm Segement Height: 7 Mm Threaded Connection: 1 1/4" Please note that if your postcode/suburb is rural your package will be dropped to your closest pick up location for collection