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Quick Details

  • Place of Origin: Henan, China (Mainland)
  • Brand Name: IWD
  • Model Number: Customized Drill Bit
  • Type: Core Drill Bit, Core Drill Bit
  • Material: Diamond
  • Use: Masonry Drilling
  • Product name: Diamond Core Drill
  • Application: Concrete
  • Color: Request
  • Usage: High Speed Cutting
  • Size: Request
  • Packing: Carton Box
  • Process: Welding
  • Shank: Straight Shank

Packaging & Delivery

Packaging Details carton
Delivery Time 1-7 workings
Product Description

Diamond dry core drill bits for sandstone for granite for brick wall for reinforced concrete for granite marble glass for marble granite concrete stones drilling wall for hard rock for drilling concrete with metal bar,wall,glass,ceramic etc
Brief Introductions:
1.Technical:Laser, welded,sintered,hot pressed,cold pressed,etc
2.Grit size :Different cutting purpose with different diamond grits#
3.Sizes:4",5",6",8",10" etc
4.The colour and segments sizes could be made as customer's requirements

Product Name
Concrete Diamond Dry Core Bits
Products Show

Laser welded short dry bit used on hand-helded drill for soft to medium concrete. From Diameter 37mm to 150mm. Fast speed drilling.
1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the drilling speed (compare with the assembly type)
2. Provide 20% higher cutting performance, particularly in difficult operating conditions.
3. Very fast cutting speed and low cutting pressure.
4. Different connection end for different drilling machine.
5. Especially effective in drilling through reinforced concrete.

Welding Type: Silver Welding
Applications: Kinds of granite or hard stone.
Machinery: Suitable for stand drilling machines or Electrical hand-held drillers or CNC machines.
Wet or dry use, this type drill bit is specially designed for dry use.
1. Turbo Shape Diamond Segments provide faster drilling speed than normal drill bits.
(Special material for Segments brazing)
2. Diamond vacuum brazed on the surface of steel pipe.
Applications: concrete and masonry materials.

Our Company


Our Factory


Our Workshop


Our Warehouse

Our Company

Our Company

Packing & Delivery
Our Certifications

Zhengzhou IW Diamond Co., Ltd. ( IWD for short ) is a High-New Technology joint enterprise and Global company, specializing in the manufacture, supply and service of diamond saw tools, diamond grinding tools, diamond polishing tools, diamond drilling tools, diamond wire drawing tools and related tools&equipment.

IWD sets two locations, IWD China and IWD USA. Our support teams can response instantly to local customer's needs.

● An experienced and well organized sales-support team

● OEM manufacture and customed designs

● Rigid cost controlling system

● Reliable lead time

● Confident After-Sale Services and Quality Warrants


Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
13 Transactions 4,000+
The supplier’s transactions conducted 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 $35,000
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