Valorstone Carbide Tip Bushing Bit For SDS-PLUS Shank Rotary Hammer，Roughening Chipping Concrete Preparing Paving Floor Tile Masonry Chisel Tool，Long 8" Head Φ1-3/16" 12-teeth

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About Valorstone Carbide Tip Bushing Bit For SDS-PLUS

Roughness and less dust are the biggest differences compared to diamond wheel grinding. The carbide bushing bit is used for roughening and preparing concrete to make the surface have higher adhesion and improve the bonding strength between building materials. Also used for the surface treatment of masonry，such as reducing concrete，removing stubborn dirt on stone，roughening floor or wall to plaching tiles. The carbide bushing bit is two-piece designed，including a bushing head and a shank，it can be fit to the SDS-PLUS Rotary Hammer. The shank has been quenched and tempered with toughness and durability, and can be reused. The bushing head has welded some carbide teeth，these teeth are long and pointed，with fast and effective working performance. The usable height of the teeth are close to 1/4"（6mm）and can be sharpened for reuse after blunted. Excellent welding makes the weld surface are smooth and non-porous with high strength. Operation instructions of this bushing bit: ·Hammer tool is cannot larger than 1100 watts or 10 joules for this size of the bushing bit. ·Hammer tool must be in hammer-only mode when using the bushing tool，DO NOT rotate, Do not rotate, Don't rotate. ·DO NOT always press the tool tightly, move to another position immediately after hitting one position. ·DO NOT hit diamond and carbide tools and steel，otherwise the carbide teeth will break soon. ·Always wear masks, glasses, earmuffs, safety helmets and other necessary protec