14 Inch Diamond Grinding Disc 240 Grit - Premium Abrasive Wheel for Lapidary, Stone & Glass Cutting - Perfect for Jewelry Making, Rock Polishing & DIY Craft Projects

14" inch 350mm Quality Electroplated Diamond coated Flat Lap Disk Grinding Polishing Wheel Grit 240 Medium Outside diameter : 14" inch (350mm) Arbor hole :1/2" (12.7mm) The arbor hole can be changed from 12.7 to 40mm, such as 25.4 mm(1" inch). Include a message when you check out telling me what size arbor hole you require. Thickness :1.4mm Grit :240 Medium Quantity:Only 1 Piece Diamond coating Density : Perfectly high Diamond coating surface area: almost 97%, only one side is coated diamond Wet use recommended Suitable to grinding gemstone, jewelry, glass, rock, carving knife, etc… These diamond discs are one of the finest discs manufactured for Hobby, Lapidary, Glass applications The diameter flat lap wheels have a high density quality diamond coating. They are absolutely flat and parallel to meet the most exacting faceting requirements. Quick Tips 1. Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required. 2. All our flat laps wheels have a 1/2" arbor hole and are intended to be mechanically clamped to a Master Lap. 3. The laps are made with 1mm thick steel plate that has been machined true and flat. The lap is stiff enough to be used as is, but we recommend With The Use Of Aluminum master lap. Also Available in Grits 60, 80, 100, 120, 150, 180, 240, 320, 400, 500, 600, 800, 1000