Green Core Diamond Drill Bits With Pilot

Product Description

• They are sintered with premium grade diamonds for fast, smooth performance and longer product life.
• It is used wet or dry with hand drills.
• These core bits are engineered with a 1/4 inch Pilot Bit to produce clean, easy, and precise core drilling.
• Use for drilling granite, porcelain, artificial and natural stones. Long life. Maximum performance (Fastest). Special bond for granite and hard stone.