You Save: $30.00 (28 %) Applications: General Purpose, Masonry, Soft Concrete. WET CUTTING DIAMOND CORE BITS SUPREME GRADE. Price: From $78.66 to $3,986.40. Sale Price: From $70.79 to $3,587.76. 14" Drilling Depth - Bits larger than 14" Diameter- Drilling Depth = Diameter. Applications: Reinforced Concrete, Masonry, General Purpose.