Premium Quality Granite Hole Saw Sintered 32mm 35mm Diamond Core Drilling Bit

• Type: Core Drill
• Usage: Masonry Drilling
• Certification: API
• 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.
• Product Name: Diamond Core Drill Bit
• Application: Brick Block Masonry Concrete
• Material: Diamond
• Suitable for: Hand-Held or Fixed Coring Machine
• Surface Finish: Painting
• Transport Package: Plastic Box
• Trademark: SENMINE
• Origin: China

Product Description

Why Choose SENMINE

*Manufacturer Direct Price

*Best Value & Performance

*Shortest possible Lead time

*Constant and Professional

*24/7 Customer Service

About Senmine

Hebei Senmine Technology Co.,Ltd is a specialized factory of diamond core bits. We are based in the main production base of core drill bits- Shijiazhuang, very near to Beijing.With our help, you can get the core bits with best cost-performance value, customized price to fix your needs, fast delivery,
instant professional reply....
Come to us and get your drilling works done!

Product Description

Dry/Wet Sintered Diamond Core Drill Bits

Cut perfect circles with these tools. Suitable for Marble, Granite, Tile Ceramic, Stone, Rebar Concrete etc.

These hole saws feature thicker walls to minimize loss and improve durability, with hard and sharp material to cut faster than previous hole saws.Feature drilling stably, fast speed, not breaking the border, to prolong its using life, must use with water for cooling and lubrication.

Detail

Thread M10

With standard M10 female thread, it can be easily installed on power tools without falling off.

Chip Removal Holes

Large clearance hole facilitates entrance of cooling water and escape of chips and other particles from drilling.

High quality Diamond

Sintered diamond cutting edge is not surface coated. The edge always contains diamond.

 

Size Information

Product Name	Sintered Diamond Core Drill Bits
Material	Diamond
Shank	M10
Diameter	5mm-100mm
Length	58mm/68mm/73mm/78mm/83mm
Application	For glass, marble, granite,ceramic tile, procelin tile

Application

Can Drill accurate holes on concrete, masonry, brick, marble, stone, marble, glass, tile and other hard materials.
When using a hand electric drill, make a mark on the cutting material in 45 degree angle. Then you can drill holes in vertical.
Can be Wet or Dry use. To prolong its using life, it must be used with water for cooling and lubrication..

Operation Tips

Use a small feeding force at the beginning of drilling, and then increase the downward pressure after positioning.
When drilling through the workplace, the drilling feed speed should be slowed down and the force should not be large to avoid violent impact to damage the hole wall.
Add coolant during the drilling process to prevent damage caused by high temperature. When opening the hole, Pay attention to wearing protective gloves, glasses, etc.

FAQ

Question 1):
What sizes of core bits does Senmine have?
Answer:
Senmine offers different types of diamond core drill bits to fit your drilling needs. Technically, our diamond types include
sintering and vacuum brazing.
For working purpose, there are various diameters and lengths for wet or dry use.
Contact us to get the right tool for your specific needs.
Question 2):
Can I order custom diamond core drill bits through Senmine?
Answer:
Senmine is happy to work with you to design your custom length, width or type of core drill bits.
Question 3):
What is the deepest hole that you can drill?
Answer:
There's no limit to the depth we can drill. Usually our working length ranges from 300mm to 400mm with outer diameters from 16mm-1000mm. Anyway, the core drill bits can be made to your customization needs. Contact us for further information.
Question 4):
Do you have to use water when drilling through concrete?
Answer:
It very much depends on the diamond tools. If using a dry-cutting bit you can drill a hole without water, whereas a wet
diamond drill bit must be used with water.
Question 5):
How long is the lead time after placing my order?
Answer:
For standard specification products, the delivery time is 5-10 working days after receiving the payment.
For customized specification products, the delivery time will be longer depending on your special requirements, order
quantity, production status etc. Please contact us for the shortest lead time.
Question 6):
Does Senmine offer technical advice?
Answer:
Yes! Senmine has team members with extensive amounts of experience in diamond drilling tools waiting to answer the toughest question.