4 1/2" x .145 x 1 1/4-7

Application: Hard Concrete, Cured Concrete, Steel Reinforced Concrete, Concrete Brick, Concrete Block
Specifications: 4 1/2" x .145 x 1 1/4-7
Equipment: Electric Core Drill

Premium Zig Zag Turbo Segmented Core Bit for Concrete - Wet

Very Good Core Bit