White Insulating Refractory Brick 1500 Degree High Temperature Light Weight

Features of Dry Core Drills: OD35mm Diamond Dry Core Bits for Granite,Quartz, and Marble 1. Applications: Stone drilling in counter top, kitchen, toilet 2. Connection Type: 1/2” shaft, 5/8”-11 or M14 thread 3. Segment type: Crown segment or normal segment 4. Welding way: Outer diameter ≤ 18mm is silver soldering, ≥ 20mm is laser welding. 5. Selling point:Each drill bit has the brazing rods, four outside and two inside, which protect the steel disc, extend the life. Outer diameter is less than or equal to OD18 do not have brazing rod. 6. Delivery time: Around 15days 7. Price: Large quantities, price concess More information request, please contact us. Vida lee / Sales Manager Johnson Tools Manufactory Co., Ltd. Whatsapp/Viber:+86-18936085316 Email: sales@johnsontoolscn.com Website: http://www.johnsontoolscn.com/ Multi-Languages: http://www.diamondsaw-blade.com