The Steel Dragon Tools three-piece wet diamond core drill bit set is for drilling holes in reinforced concrete, asphalt, block, pavement, and brick. Bit sizes included: 2 in., 3 in., 4 in., 5 in., 6 in.

All core bits are 16-1/4-inched in length with 10 mm laser-welded split segments and 1-1/4 in. x 7 spindle thread. These core bits are for wet drilling only.

Steel Dragon Tools diamond core drill bits have a one (1) year warranty against manufacture defect. Factory conforms to ISO-9001-2000 Quality Control Systems and ISO-14001-2004 Environmental Systems.

Specifications:

• Bit Sizes: 2 in., 3 in., 4 in.
• Drilling Depth: 16-1/4 in.
• Spindle Thread: 1-1/4 in. x 7
• 2-inch wet core drill bit: 1.719 in. ID x 1.951 in. OD
• 3-inch wet core drill bit: 2.715 in. ID x 2.960 in. OD
• 4-inch wet core drill bit: 3.671 in. ID x 3.996 in. OD
• 10 mm segment height for improved operating life.