Cheap bit small, Buy Quality bit computer directly from China bit contact Suppliers: Promotion sale of Laser welded 83*450*10mm super long diamond Drill bits core bit for drilling on marble/granite/cocrete/wall
Product pecifications:High quality welding 83mm* 450mm*10mm Diamond Drill bits for marble/granite/concrete etc. Hole Diameter:83mm diameter, 450length,12mm segent height. Mounting connector:M22 Material Metal, Diamond Particles Color:Red Weight:1.65kg Advantages: Military quality, seamless steel pipes, hot press segments, laser welded Application: Ideal for glass, the ultimate hole saw for hard-to-cut materials.