Easily create round shape,not for drilling. ✓ 3-1/4" (82MM) 5/8-11 threaded Diamond Beveling Chamfer Bit for Marble Glass Ceramic Countersink Hole Trimming ✓Shank: 5/8-11 Thread Chamfer Angle:Top Angle 60 degree Chamfer Diameter: 82mm Total length: 60mm Working Depth:49mm High Quality Diamond Grit:#80 ✓Designed to enlarge/trim/shape/round holes,beveling existing holes ✓Diamond bit for a smooth, high-end finish ✓Very useful to reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc.) ✓Very useful to improve the edge finishing of exposed holes Application ✓Dry or Wet Beveling Ease chamfers and stress relieves rough holes in ceramic,porcelain tiles,Marble Granite. Diamond Mortar Raking Bit Triangle Shank Diamond Drill Bits Triangle Shank Diamond Hole Saw 5/8-11 Diamond Hole Saw Diamond Laser Welded Dry Drilling Bit diamond milling bits Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.1 out of 5 stars 127 4.7 out of 5 stars 379 4.2 out of 5 stars 86 4.5 out of 5 stars 155 4.1 out of 5 stars 61 4.7 out of 5 stars 96 Price — no data $20.99$20.99 $16.99$16.99 $18.99$18.99 $37.99$37.99 $21.99$21.99 Diamond Tools ✓ ✓ ✓ ✓ ✓ ✓ Multi-purpose diamond blade 3in metal cutting blade set of dry wet diamond blade diamond cutting grinding blade super thin diamond blade cutting grinding diamond blade Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 82 4.4 out of 5 stars 74 4.4 out of 5 stars 45 4.0 out of 5 stars 40 4.1 out of 5 stars 58 4.2 out of 5 stars 90 Price $16.99$16.99 $23.99$23.99 $18.99$18.99 $16.99$16.99 $27.61$27.61 $17.99$17.99 Diamond Blade ✓ ✓ ✓ ✓ ✓ ✓