90mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

80mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

70mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

65mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

60mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

50mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

45mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

40mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

35mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

30mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

25mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

20mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...need 20 seconds to drill hole in 20mm black granite slabEasy start and long working life: over 100 holes10mm segment height..

12mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...Easy start and long working life10mm segment height..

16mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...Easy start and long working life10mm segment height..

10mm Dry Core Bit Designed for fast and clean drilling holes in all typesof hard and soft materials: granite, porcelain, marble,sandstone, ceramic ...Easy start and long working life10mm segment height..