Condition: Used Good. This item is from customer cancellations, was a display piece or was used for testing purposes. Diamond drill bit with 244 mm diameter and 400 mm effective length for hard building materials. Industrial grade design for continuous professional use. Long service life of the cutting segments during demanding drilling work. ? Condition Note: Light Wear. The diamond drill bit is designed for wet drilling of core drilling in concrete, reinforced concrete, masonry and natural stone. Drill diameter is 244mm. Working length is 400mm. The holder with 1 1/4 inch UNC thread fits common core drills. The diamond segments are laser welded, making them particularly shatterproof. Optimized segment design ensures high drilling speed. The drill body is made of high-strength steel. The water supply during wet drilling cools the tool and binds the drilling dust. Typical inserts are feedthroughs for pipes, cables and ventilation systems. The tool is suitable for refurbishment, installation and construction site use. Specifications: Diameter 244mm, Length 400mm, Socket 1 1/4 UNC. 30 days cancellation period. Oven & Cooker Parts. Washer & Dryer Parts. Freezer & Fridge Parts.