High Quality Diamond Tool Wet Diamond Core Drill Bits for Core Drilling Stone Marble Granite

• Type: Core Drill Bit
• Surface Finishing: Spray Paint
• Blade Material: Diamond
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Core Drill Bit
• Manufacturing Process: Laser/High Frequency Welded
• Application: for Concrete and Construction
• Material: Diamond and Metal
• Company: Manufactuer
• Advantage: Fast Drilling, Long Life
• Shipping Cost: to Be Negotiated
• Color: Customized
• Diamond Grit and Bond: #30/40 with Medium Bond
• Shipping: by Air, by Sea; by Express
• Equipment: Hand Tool or Cutting Machine
• Sample Production Time: 5-7days
• Manufacturing Experience: Over 10 Years
• Connection: 1/2 Bsp, M14, 5/8′′-11, 1-1/4"-7
• Segment Shape: Common or Customized
• Transport Package: Paper Cartons and Plywood Cartons
• Specification: 22-340mm
• Trademark: HLM/OEM
• Origin: Hebei, China
• HS Code: 82075010
• Production Capacity: 500000PCS/Year
• Package Size: 15.00cm * 15.00cm * 5.00cm
• Package Gross Weight: 2.000kg

Product Description

Designed for drilling in concrete, asphalt, and other building materials. Also used for decorative scoring and joint widen in masonry.
The testing data for some of our products are provided below. If you require testing data for other products, please contact us.

GRADE	Normal Quality	Good Quality	Higher Quality	Top Quality
Minute /Hole	4.20	4.30	3.50	4.20
Steel bar time	40 seconds	48 seconds	38 seconds	48 seconds
Steel bar diameter	18mm	18mm	18mm	18mm
Steel bar Quantity	4	4	4	4
concrete thickness	250mm	250mm	250mm	250mm
drilling holes	5	5	5	5
total segment height	10mm	11mm	11mm	11mm
left of segment height	7.5mm	9mm	9.5mm	10mm

Designed for making holes and getting cores from hard materials,like concrete, reinforced concrete, rocks, stones, bituminous materials.
The diamond utilized for these bits is quality impregnated sinterized type.
The diamond segment is 9 mm high. The 9mm high segment is important for the bit life, because the diamond is about the 85% of the bit value.
The coupling between the bit and the motor shaft is direct through the backend screwed connector.
All diamond bit models are suitable to drill both reinforced concrete and also bituminous materials.

 

 

Our Advantages

1) No Any MOQ Limited

2) Accept OEM.

3) Good After Sale Services:

Our experienced expert will give technical recommendation according our clients' product line, Modifying the machine parameters, such as sequence, speed, etc. to acheive the best performance. We also can send after sale expert to clients' product line and optimize the product line.

FAQ

1.Are you a manufacturer or trading company?

   We are a 10 years manufacturer.
2.How to prove your quality?
 We use E6 diamond,Dipea steel wire, passed ISO9001 and SGS,strict quality control and skilled workers.
3.What should I do if the products is not suitable for the market?
 Giving us the detailed report first,then we analyze the reason,try to find the solutions.
 If it is our problems,we will give you new products.
4.Do you provide free samples?
 Small sample is welcomed.
5.Can you provide OEM/OEM services?
    Yes, if you need.