HIGHDRIL Tuck Point Pin Diamond Bit - 2pcs 4 5/8" Length x 1/4" Round Shank Diamond Glitter Bit for Wet/Dry Removing Old Mortar Grinding/Shaping($14.99Value)

Description

2pcs Diameter 7.2mm,4 5/8" long x 1/4" round shank,Diamond Height 74mm,Grit 45/50 Made with high quality diamonds by vacuum brazed technology,this diamond bit will grind faster, last longer and less cost Diamond Tuck point mortar pin with variable speed die grinders or drills (not impact) for removing old mortar, grooving in concrete and stone Cuts away mortar in hard-to-reach inside corners or irregular joints that blades cannot reach,Easily remove mortar around a single brick without cutting into other mortar Small 1/4" diameter prevents over-cutting into adjacent material.Diamond Glitter Bits may also be used as a router bit Description:
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
can use a mortar raking blade for long horizontal joints
Better suited to use on intricate and delicate work, particularly vertical joints and natural stone jobs to avoid damaging important brickwork or valuable stone
Hold the grinder firmly, ensuring the handle is fitted
Let the machine and bit work together at their own pace