DT-DIATOOL Daimond Core Drill Bit 4-1/2 Inch Vaccum Brazed Hole Saw with 5/8″-11 Thread Drilling for Procelain Tile Ceramic Stoneware Marble Granite Stone Brick

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Package Dimensions ‏ : ‎ 8.43 x 6.46 x 3.11 inches; 1.76 Pounds
Item model number ‏ : ‎ DT9657515115
Date First Available ‏ : ‎ March 1, 2023
Manufacturer ‏ : ‎ DT-DIATOOL
ASIN ‏ : ‎ B0BX64DD88

5/8″-11 thread, total length 75mm; diamond height 15mm; max working depth 50mm.
Dry or wet drilling for porcelain tile,ceramic, granite, marble, stone, ect.
Recommend Machine: 5/8″ arbor angle grinder. Recommended RPM:3000. Maximum RPM:6000.If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode.
Vaccum brazing technology enables a strong bond between diamond, bond and substrate, greatly improving tool life and machining efficiency.
U Shape incision can reduce cutting resistance.Chip drain design of both sides makes the escape of chips or other particles of the drilling quickly removed. Both of these make drlling fast and smooth .