1.cutting hard material,such as stone,granite 2.very good performance 3.peed very fast,with chip out when working

core drill bit kit

model number  DBSET01

Comprising:

3-pcs core drill: 52X150MM, 65X150MM, 117X150MM

4 Accessories:

Hex adaptor 90mm, pilot drill 8X200mm,

extension 200mm,

SDS-plus adaptor 115mm, drift key,

with a alumnium case 

has some other box

core drill bit kit