Hot Sell Laser Welded Diamond Core Drill Bits of Dry Core Drilling for or Concrete, Marble, Brick, Granite

• Type: Core Drill Bit
• Surface Finishing: Spray Paint
• Blade Material: Diamond
• Manufacturing Process: Laser/High Frequency Welded
• Application: for Concrete and Construction
• Material: Diamond and Metal
• Model NO.: Core Drill Bit
• 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 Drillinging Machine
• Sample Production Time: 5-7days
• Manufacturing Experience: Over 10 Years
• Segment Shape: Common or Customized
• Transport Package: Paper Cartons and Plywood Cartons
• Specification: 102mm
• Trademark: HLM/OEM
• Origin: Hebei, China
• HS Code: 82075010
• Production Capacity: 500000PCS/Year

Product Description

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

 

 

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.