AX300 Series Diamond Core Bit is applicable to work at most of common concrete, brick walls, light brick, etc. The core bit is actually easy to use and would definitely be an economical option for users who do not have much drilling works.

• The depth of drilling can be increased by adding more tubes.

• Smooth cutting in most standard concrete.

• Diameter: 27mm - 254mm.

• Thread: 1 1/4”-7, W 1 1/4”, W 1”, G 1/2, 5/8”-11