SHDIATOOL Tile Diamond Core Drill Bits 1/4- Inch and Mortar Raking Bit for Porcelain Ceramic

2pcs Diameter 6mm/1/4", 5/8-11 connection, Total height 62MM, Diamond height 10MM and 1piece, Diameter 5/16inch (8mm); Work length 1inch (25mm); Total Length 55mm; Connection 5/8”-11 Thread; Grit #40/45.

• 2pcs Diameter 6mm/1/4" drill bits and 1pc Diameter 5/16inch (8mm) Mortar Router Bits for angle grinder
• The drill bit is Dry/wet drilling for porcelain tile marble stone masonry brick normal stone
• The milling bits is used for mortar raking and brick removal,removing old mortar prior to repointing or removing blown, damaged bricks or natural stone. It is better suited and easier to use on intricate and delicate work.
• High quality diamond grit provide great,fast and smooth drilling finishing.
• Vacuum brazed technology provide high efficient working performance.