Premium Diamond Core Drill Bit For Dry Or Wet Drilling, 1 3 8 Inch Diameter, Laser Welded Hole Saw, 5 8 Inch Thread 11, For Granite Marble Concrete Quartz, Pro Grade Durable Grit 25 35, FOCSTOL

Premium Diamond Core Drill Bit 1-3/8in, single piece
✔️ 35mm dia, 100mm long, 5/8-11 thread, grit #25/35

This premium diamond core drill bit is designed for dry and wet drilling on granite, marble, concrete, quartz and masonry. It features laser welded turbo segments and vacuum brazed protection for clean cuts and longer life.

✅ Diameter: 35 mm (1-3/8 in)
✅ Length: 100 mm (3.94 in)
✅ Thread: 5/8-11 UNC
✅ Diamond grit: 25/35
✅ Applications: dry or wet drilling on granite, marble, concrete, quartz
✅ Speed: 6000 RPM recommended; max 11000 RPM

💡 What is a diamond core drill bit used for in stone and concrete work? This handy tool helps you make precise holes through hard materials with long life.
- Handy for drilling granite, marble, concrete, quartz
- Dry or wet drilling options extend bit life and performance
- Laser-welded segments improve reliability and cutting speed
- Compatible with 5/8-11 grinders or adapters for SDS machines