This heavy duty 202x400 mm drill bit is perfect for use on electric core drills for drilling granite， hard stone， concrete， and reinforced concrete surfaces.

• Size: 202 mm x 400 mm
• Segment Height: 7 mm
• Threaded connection: 1 1/4”
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Our high quality 202 x 400 mm drill bit is perfect for use with electric core drills for drilling on granite， hard stone， concrete， reinforced concrete， and other hard surfaces. Its durable construction will ensure smooth operation of the drills. We also provide bits of other sizes to meet different drilling needs. Delivery includes 1 x diamond core drill bit.