Feature(may vary by option.)

●SPECS: Core drill bit 4" diameter(outside),1-1/4" - 7 threaded arbor,14" drilling depth.
●USE WITH: For use with 1-1/4" - 7 spindle handheld core drills or core drill rigs with stand; use on rotary mode only.
●LONGEVITY: 4" Core bits feature uniform distribution and large diamond for fast-speed.Wet used!
●VERSATILE: 4 inch diamond hole saw drill bit core brick,concrete block with light steel reinforcement or hard masonry, stone.
●RELIABLE: Adopt new materials and advanced sintering process and welding process, which significantly improves the sharpness and resistance of this concrete hole saw.

[2 Inch]




[1-1  & 2 Inch]




[5 Inch]




[1-1  & 4 Inch]




[3 Inch]




[4 Inch]




[1 Inch]





Description

11

DaduoRi Diamond Core Bits Specification

Connection: 1-1/4"-7 Thread
Compatible with Core Machines with 1-1/4"-7 Arbor
Drilling depth 14 inches
Drilling method Wet Only
Heavy duty Embedded diamond concentration makes longer core life and efficient drilling
Multipurpose Easily cut through brick and concrete block wall( concrete with light steel reinforcement), masonry, cinder block, solid cement basement or other stones. Such as for dryer vent, AC tubing, various exhaust pipelines.
55
Reliable & Longevity

High Performance and Durable

Adopt new materials and advanced sintering process and welding process. Core bits feature uniform distribution and large diamond for fast-speed.

Let it be your rock destroyer. Choose the right size core bits for concrete

2 core drill

2" core drill bits

11

2 1/2" core bit

12

3" core drill bit

14

4" core drill bit

Arbor Size
1-1/4" - 7 Threaded 1-1/4" - 7 Threaded 1-1/4" - 7 Threaded 1-1/4" - 7 Threaded
Drilling Depth
14 inches 14 inches 14 inches 14 inches
Material
Diamond, Cobalt Diamond, Cobalt Diamond, Cobalt Diamond, Cobalt
Wet or Dry
Wet only Wet only Wet only Wet only
Compatible Material
Concrete and Hard Masonry Concrete and Hard Masonry Concrete and Hard Masonry Concrete and Hard Masonry

Other Diamond Tools from DaduoRi-Porcelain Tile Hole Saw with Pilot Bit(5/8"-6")

1 1/4 diamond hole saw

1 1/4" diamond hole saw

1 3/8 inch diamond hole saw

1 3/8" diamond hole saw

2 in diamond hole saw for tile

2" diamond hole saw

2 1/2 inch diamond hole saw

2 1/2" diamond hole saw

4 in diamond hole saw tile drill bit

4" diamond hole saw

5 inch tile hole saw

5" diamond hole saw

6 inch diamond tile hole saw

6" diamond hole saw

Customer Reviews
4.5 out of 5 stars
530
4.5 out of 5 stars
530
4.5 out of 5 stars
530
4.5 out of 5 stars
530
4.5 out of 5 stars
530
4.5 out of 5 stars
530
4.5 out of 5 stars
530
Arbor Size (For drill)
3/8" Triangular Shank 3/8" Triangular Shank 3/8" Triangular Shank 3/8" Triangular Shank 3/8" Triangular Shank 3/8" Triangular Shank 3/8" Triangular Shank
Drilling Depth
1 3/8 Inch (35mm) 1 3/8 Inch (35mm) 1 3/8 Inch (35mm) 1 3/8 Inch (35mm) 1 3/8 Inch (35mm) 1 3/8 Inch (35mm) 1 3/8 Inch (35mm)
Main Materials
Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile Marble,Granite,Porcelain,Tile
Special Process
Brazed Diamond Brazed Diamond Brazed Diamond Brazed Diamond Brazed Diamond Brazed Diamond Brazed Diamond
Wet Use
✔ ✔ ✔ ✔ ✔ ✔ ✔

DaduoRi Core Drill Bits

Other usage tips

  • The core drill bits use on rotary mode only, please do not use hammer mode.
  • DaduoRi concrete drill bit use with 1-1/4" - 7 spindle handheld core drills or core drill rigs with stand. Please check whether the core drill model matches.
  • Take good safety precautions before uing the masonry drill bits.
  • Using water!