Dry Core Drill Bit, 3.5" / 88.9 mm Diameter 5/8"-11 Threaded, 9.5" / 241.3mm Depth Diamond Coring Bore Tool with a Pilot Bit "

VEVOR Dry Core Drill Bit, 3.5" / 88.9 mm Diameter 5/8"-11 Threaded, 9.5" / 241.3mm Depth Diamond Coring Bore Tool with a Pilot Bit & 4.5" Blade, Masonry Hole Saw Bits for Hard Concrete Brick and B
Premium Diamond Grit
5/8"-11 Universal Thread
Quick Chip Removal Hole
Flawless Kit
High-frequency Teeth Welding
Extensive Uses
Bit Diameter: 3.5 in / 88.9 mm,Model: COREDRILL3.5IN,Material: Diamond & Aluminum Alloy,Bit Depth: 9.5 in / 241.3 mm,Net Weight: 5.5 lbs / 2.5 kg,Thread: 5/8 in - 11"