4 Inch Diamond Wet Core Drill Bit For Concrete And Masonry, Heavy Duty 1 1/4 Inch Threaded, 17 Inch Overall Length, Wet Core Through Rebar, Asphalt, Brick And Rock, Hole Barrel Coring, Fits BLUEROCK Z1 Drills

Single 4in Diamond Wet Core Bit for Concrete and Masonry
✔️ 4in OD, 17in long, 1-1/4in thread fits Z1 cores

The heavy-duty 4 inch wet core drill bit is built for concrete and masonry core drilling. It’s designed to cut through concrete, rebar reinforced sections, asphalt, brick and rock, delivering clean, precise cores with a long reach. It fits standard 1-1/4 inch threaded rigs for easy tool changes.

✅ 4in outside diameter (OD) with diamond tip
✅ 17in overall length, 14.5in inner barrel depth
✅ Wet core capability for cooling and dust control
✅ 1-1/4in industry thread to fit standard core drills

💡 What is a core drill bit used for and why pick a diamond wet core option?

Handy for deep, clean cores in concrete and masonry, especially when rebar is present.

• Through-dense concrete, asphalt, brick and rock with a diamond tip
• Water cooling reduces heat and wear for longer bit life
• 1-1/4in threaded shank fits standard core drills
• Long 17in length helps reach deep holes