This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer
Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole
Always use lubrication (water ), otherwise the diamond core drill will burn - Start your hole diagon
Start your hole diagonally, make a round trace and then hold drill straight.
size:3mm,5mm,7mm,9mm,11mm,13mm,15mm,17mm,19mm,21mm

Technical Details

Product Details

Package Dimensions
Width : 4 inch
Height : 0.5 inch
Length : 4 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B01ALE1WN8