• Model NO.：SY-DCB-1000
• Manufacturing Arts：Welding
• Keywords：Diamond Core Drill Bit
• Diameter(mm)：Working Length 60mm-500mm
• Segment Hight(mm)：8 - 10
• Connection：M14; 5,8 "-11, G1,2 "; Straight Shank
• Working Length(mm)：60 - 500
• Connection End：No Thread
• Transport Package：Paper Bag, Poly Bag, Carton Box and Wooden Box
• Specification：Grade A
• Trademark：SUNNY
• Origin：Quanzhou China
• HS Code：82075010
• Production Capacity：1000PCS,Week

Tips: Please let us know the following information when buying our core drill bit.
          1. Which type of material need be drilling?
          2. The diameter and length of the core drill bit you want to purchase

Product application:
Sunny diamond core drill bits are specially designed for drilling concrete, reinforced concrete and brick wall with fast drilling speed and long lifespan.
8-10
M14; 5/8 "-11
60-110
18-400
G1/2 "; straight shank
60-500
Other specifications are available upon request.

Please let me know

1) the diameter, working length and connection type

These 3 specifications are needed when buying core drill bit. Connection type decides if the core drill bit could match your machine; Working length and external diameter decide if the result of drilling could meet your project.


 

2) the type of material will be drilling, like concrete, reinforced concrete, granite etc

We make different formula of segments for different materials, to gain the excellent performance. What's more, there are also some popular segment type for your choosing, and the crown type usually used in external diameter of 20mm, 24mm, 26mm, 30mm, 35mm.

It's my pleasure to help you to purchase the proper and excellent performance diamond core drill bit.

1.What is the minimum order we should buy?
Please contact me to get the MOQ for the core drill bits.

If the total weight reaches 21kg, you can get the best offer from the express company.
2.How could we know the quality of your core drill bits?
You can buy our core drill bits with a small quantity first, testing our quality and service. For small quantity, you don't need to take the risk in case they don't fit your market. To support you test our products, we offer you a discount on the sample order.
To provide you the most suitable core drill bits segments, please confirm all the technical details with me before you place an order.
3.If your core drill bits are not in satisfactory performance, what should I do?
Please contact me, give me the feedback, we will give you a satisfactory solution. Meanwhile, we will send you a free sample for the second testing.



Sunny is an ISO, BV and SGS certified company, have 21 years manufacturing experience in diamond tools. 

Our Main Products: 
Cutting Tools (Saw blade, Segment, Wire saw etc) 
Grinding&Polishing Tools (Calibration rollers, Fickerts, Frankfurt, Cup wheel, Profiling wheel, Polishing pad, Brush etc) 
Drilling Tools (Finger bit, Core drill etc) 
Welcome to visit our company website: http://sunnytools.en.made-in-china.com
Looking forward to hearing from you.