Dry Diamond Core Drill Bit 1 3/8 Inch With 5/8-11 Thread Designed For Granite Marble Quartz Masonry Hole Saw And Dry Drilling Efficiency By MostarTools

1-3/8 in Dry Diamond Core Bit for Granite & Quartz - 1 Piece
✔️ 1-3/8 in dia, 4.0 in length, 5/8-11 thread, dry/wet use

This dry diamond core bit is engineered for fast, clean holes in hard stones. It’s a go-to choice for granite, marble, quartz and engineered stone applications, and it works with drills, angle grinders, and polishers that use a 5/8-11 arbor for reliable mounting.

✅ 1-3/8 in (35 mm) diameter
✅ 4.0 in (104 mm) total length
✅ 0.39 in (10 mm) segment height
✅ 5/8-11 arbor thread
✅ Turbo style diamond segments for faster cutting
✅ Dry/Wet cutting method

💡 What is a dry diamond core drill bit used for in granite countertops and why choose 1-3/8 inch with 5/8-11 thread?

These bits are built for fast, clean holes in hard stone and are handy on countertops and stone installations.

- Granite, marble, quartz and engineered stone applications - Fits 5/8-11 threaded drills and angle grinders - Dry drilling reduces mess and speeds up install - Laser-welded diamond segments provide long life