Questions and Answers for DEWALT 5/16 in. Diamond Drill Bit

A:  Hello Ragi Thank you for your contact. We apologize for any trouble or inconvenience in finding information. The DW5572 would be for tile drilling. For stucco, you would need a masonry drill bit that is rated for concrete or stucco. Best Regards Sherri C DEWALT

A:  No not that I’m aware of

A:  Hello Marc, We appreciate your question. Yes, the DW5572 is compatible with porcelain floor tiles.

A:  I drilled thru ceramic which is harder than porcelain.

A:  The Dw5572 Bit should work fine for this type of application as it drills 1/4 in. holes in ceramic/porcelain tile and glass.

A:  It worked well for me on porcelain tile, which I'm pretty sure is harder than granite.

A:  No, this bit will not drill into granite. It is made for ceramic/porcelain tile and glass.

A:  I have not used it on granite, I think it will work well, if you use water to keep the bit cool.

A:  We have not tested the 1/4 in. Diamond Drill Bit with terracotta. It is typically used for tile.

A:  Since glass and tile are very sensitive, we recommend using a variable speed drill on the slowest speed possible. A lubricant such as mineral spirits or turpentine should be used to help keep the bit cool. Additionally, tempered glass cannot be drilled with glass/tile bits.

A:  Yes, the DW5572 will drill into an epoxy countertop.