Dry Diamond Drill Bit - BGTEC 2pcs 1" 25mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard plastic,Vacuum Brazed Diamond Core Drill Bit Kit

• 【Size】2 pieces dry diamond drill bits (1" 25mm).Total Length 65mm,Diamond height 10mm,Max working depth 33mm,Diameter 1" 25mm,Round shank,Grit #40/45
• 【Application】For Porcelain,Granite, Tile, Ceramic, Marble, Stone, Masonry. Use water for longer time.
• 【Chip removal design】Specially designed holes on both sides of the drill for fast chip removal and drilling efficiency
• 【Vacuum Brazed technology】 Higher efficiency, faster working speed, longer service life.
• 【Note】Used for hand drill and bench drill,Hand drill at 2000-5000RPM, the slower the shorter the life.

Size: 2 pieces of dry diamond drill 1 25 mm. Total length 65 mm, diamond height 10 mm, maximum working depth 33 mm, diameter 1 25 mm, round shaft, grit No. 40/45. Application: For porcelain, Granite, Tile, Ceramic, Marble, Stone, Masonry Use water for a long time Chip evacuation design Specially designed holes on both sides of the drill bit for fast chip evacuation and drilling efficiency Vacuum brazed technology Higher efficiency, faster working speed, longer service life Note: Used for Hand drills and bench drills are used. Hand drills with 2000 5000 rpm. The slower, the shorter the lifespan.