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Diamond centering drill bit for stone,diamond core drill bit for graniteDiamond centering drill bit for stone,diamond core drill bit for graniteDiamond centering drill bit for stone,diamond core drill bit for graniteDiamond centering drill bit for stone,diamond core drill bit for granite

Diamond centering drill bit for stone,diamond core drill bit for granite

  • Model:BW-DDB-S08
  • Type:Wet  use
  • Diameter:25mm-50mm       
  • Length:100mm          
  • Connection:Connecting with clamp lever    
  • Applications:Usually wet use for granite,marble and many other stone for drilling holes.
  • Adaptation machines: Stand drilling machines or electrical hand-held drillers or CNC machine
  • Advantages: Good stable and long lifespan.

Introduction:

Diamond centering drill bit is used a hole drilled in the stone diamond tools, machine screw with a fixed

 connection with the drill bit by bit under pressure, rotational feed on the stone cutting, mainly used in construction, 

such as walls, floors in the air holes, drainage holes into the vent. Diamond centering drill bit has an elongated existing drill-centering, making drilling more stable and reliable. For cooling and discharge powder, drill through the water is very important,

good for passing water can greatly extend the life of the drill bit and drill bit to keep sharpness.

 

Features:

1. The diamond centering drill bit includes an elongated pre-drill through the centering, 

making drilling more accurate, stable and reliable.

2. The drilling speed, high efficiency, no damage to the wall, comprehensive cost-effective;

3. The diamond centering drill bit 45 # steel materials produced, not deformed.

 

Specification:

The following is the normal size of our diamond centering drill bit:


Outer Diameter

Segment Specification

Usage

Length

Welding Method

Connection

25mm(1 inch)

25x2.5x8mm

Wet use

 

4 inch(100mm)

Siliver welding

Laser welding 

Clamp lever 

32mm(1-1/4 inch)

32x3.0x8mm

35mm(1-3/8 inch)

35x3.0x8mm

38mm(1-1/2 inch)

38x3.0x8mm

45mm(1-3/4 inch)

45x3.0x8mm

50mm(2 inch)

50x3.0x8mm


The above specification just a reference for customer.Other specification can be order by customers.


Picture:

diamond centering core drill bit


Similar product:

vacuum brazed core drill bit


 

 


Diamond centering drill bit for stone,diamond core drill bit for granite
Diamond centering drill bit for stone,diamond core drill bit for granite
Diamond centering drill bit for stone,diamond core drill bit for granite
Diamond centering drill bit for stone,diamond core drill bit for granite
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