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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: GUSHI,OEM
  • Model Number: HWCB
  • Type: Core Drill Bit, wet drill bits
  • Material: Diamond
  • Use: Stone drilling
  • Color: black or others
  • Diameter: 1"-2"
  • Advantage: safety and environmental protection
  • Application: for drilling stones,concrete and quartzite
  • Character: need to add water
  • Segment size: 7/10mm
  • Segment thickness: 2.2mm
  • Total length: 75-80
  • Skype: sunnytpx

Packaging & Delivery

Packaging Details In Cartons
Delivery Time 25-30 days


black diamond core drill bits
1.For drilling stones,concrete and quartzite
2.Thread:1 1/4 1 1/8.....
3.The length:75-80mm


  Black diamond core drill bits
Key Features

1.For drilling stones,concrete and quartzite.

2.Long life&High efficiency .


 Technical Data
Item No.Diameter(inch)Total Length(mm)Segment Thickness(mm)Segment Height (mm)
1 HWCB175-802.27/10
1 1/8 HWCB1.12575-802.27/10
1 1/4 HWCB1.2575-802.27/10
1 3/8 HWCB1.37575-802.27/10
1 1/2 HWCB1.575-802.27/10
1 5/8 HWCB1.62575-802.27/10
1 3/4 HWCB1.7575-802.27/10
1 7/8 HWCB1.87575-802.27/10
2 HWCB275-802.27/10




 Product Picture


 Our Products
We offer: Laser Weld Diamond Saw Blades, Brazed Diamond Saw Blades, Hot Pressed

Diamond Saw Blades, Cold Pressed Sintered Diamond Saw Blades, Core Drill Bits,

Cup Wheels, crack chaser and tuck point blade, Router Bits & Profiles, Flexible Polishing

Pads, Silicon Carbide Wheels, TCT Saw Blades, etc. In over ten groups. Specially

designed tools are available for virtually any standard application. Should your unique application

 requiret we will custom engineer a tool to suit your exact need.




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China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
4 Transactions 900+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $55,000
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