Wet Drill Core Bits For Hard Concrete, 1/2″ Diameter 5/8″-11 Threaded #30/40 Diamond Grit

Drilling Depth: 12″

Thread: 5/8″-11 Threaded

Drilling Method: Wet Only

Diameter: 1/2 Inches

#30/40 Diamond Grit, Designed For Drilling Hard Concrete, Masonry, Hard Brick, And Other Hard Materials