DIATOOL Diamond Mortar Raking Bit - Tuck Pointing Bit with Carbide Tipped for Granite Marble Concrete Masonry Stone Removals, Vacuum Brazed M14 Thread (8 * 42mm)*2

• Size--8mm diameter;42mm working length; Total Length:84mm; Diamond Grit #40/45; M14 Thread; Carbide Tipped.
• Wide Applications --Useful for mortar raking and brick removal,removing old mortar prior to repointing or removing blown, damaged bricks or natural stone.
• Good Finishing --It is better suited and easier to use on intricate and delicate work, particularly vertical joints and natural stone jobs,Use with a mortar raking blade for ideal results.
• Carbide Tipped Design-The 2-in-1 Carbide Tipped design and brazed grinding rods allow for more precise positioning, faster drilling, better sharpness and longer life.
• Machine --Angle grinder.(Pay Attention:It doesn't make holes.This is NOT a core bit for drilling.But it can be used for Mortar gap cleaning and grinding)

1.Use for Tuckpointing, Shaping of Mortar, Masonry, Stone and more. Use it for touch ups or to clean up areas you can't reach with a diamond blade.2.It is better suited and easier to use on intricate and delicate work, particularly vertical joints and natural stone jobs where a blade is often awkward to use and couldcause damage to important brick work or valuable stone.3. Our diamond bit has used vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the sharpness and lifetime. 4. Quality Creates Better Life. All our products are subjected to strict quality tests. We want all the products can be recognized for their quality and durability.5. Make sure the shank is straight and smooth when installing. Do not exceed the maximum safe speed of RPM 11000. Do not push, twist, bend or apply pressure to the tip of the bit.