3 Parts Diamond Core Drill Bit
We provide cored drill bits with multiple types of segments by laser welding/ brazing, to compete with international brands like HILTI, EHWA with premium diamond grain and cobalt-reinforced bonding, designed for dual application of concrete,brick & asphalt in high speed and long durabity.
Product Description
INDUSTRIAL ●●●●●
We are China direct and professional supplier/factory for diamond core drill bits, providing various kinds of popular and universal models of core drill bits, with turbo type, pointy type of segments, crown types, for working on different material and scenarios like concrete floor/pilling, wall and pavements.
► PRODUCT DETAILS:
Name: DIAMOND CORE DRILL BITS
Type of Bonding: laser welding / high-frequency welding
Type of Segment: Turbo / Crown/ Flat top & Customizing is accpeted
Diameter: 16mm-254mm
Segment Height: 8mm
Drilling Length: Drilling length can be increase by adding more tubes
Tube Length: 300mm, 500mm or others
Thread: SHE, 1-1/4 UNC； Etc.,
Use of Water: Wet
Production Capacity: 20,000 Pieces/ month
Other Diameter is available, feel free to drop your inquiry for further details.
| Diameter | Working Length | Thread |
| Φ16mm | 450mm | SHE/ UNC or Customized |
| Φ18mm | 450mm | SHE/ UNC or Customized |
| Φ20mm | 450mm | SHE/ UNC or Customized |
| Φ22mm | 450mm | SHE/ UNC or Customized |
| Φ25mm | 450mm | SHE/ UNC or Customized |
| Φ30mm | 450mm | SHE/ UNC or Customized |
| Φ38mm | 450mm | SHE/ UNC or Customized |
| Φ51mm | 450mm | SHE/ UNC or Customized |
| Φ63mm | 450mm | SHE/ UNC or Customized |
| Φ76mm | 45mm | SHE/ UNC or Customized |
| Φ83mm | 450mm | SHE/ UNC or Customized |
| Φ89mm | 450mm | SHE/ UNC or Customized |
| Φ102mm | 450mm | SHE/ UNC or Customized |
| Φ127mm | 450mm | SHE/ UNC or Customized |
| Φ152mm | 450mm | SHE/ UNC or Customized |
| *** | *** | *** |
Application: This 3 parts diamond core drill bit is designed for Professional user and industrial user for home renovation, wall demolition, building construction as a power tool accessory, to be widely used for fast drilling or coring on reinforced concrete block/ pilling, asphalt pavement, and brick buidlings. etc.,
Machine Models: It is suggested core drill bits be used on handheld drill machine or stand drill machine with maching thread types.
► PRODUCT ADVANTAGES:
❶ Premium quality diamond grains with strong welding technology
❷ 3 Parts design can easily extend working length by assembly extra tubes; and change core bits fast, to save money and time
❸ Precision machined thread connect all parts strong and seamly.
❹ High precision, 0 radial tolerance and 0 wobbling.
► EXTRA SERVICE:
❶ Free samples prior to order for testing is available.
❷ We offer free OEM package design service.
❸ We have a wide range of packing materials for your choice.
❹ Customization against graphic drawings & samples is available.
► FQA about 3 Parts Diamond Core Drill Bits
Q1: What is a diamond core bit?
A: Diamond Core Drill bit is to weld the metal-bonded segments including a qualitied grade of diamond grains to the reforced steel tube. As an accessory, it needs to be used with core drill machine , in handheld type or stand type. By high speed rotation of the drill head, the hard segments will drill through concrete block/ pavements/ wall/ piles etc., to finish all kinds of coring work for construction.We also have other model of bit for your choice.
Q2: What speed should you drill concrete?
A: The drill should run slowly in, and speed need to follow different diameters and drill machine models. For the stand drill machine,regular models are 130mm/180mm/200mm and 254mm, with the speed is ranging from about 350- 1200RPM ; and for handheld type, normally speed is relatively higher ,with speed range from 750-3500RPM .
A tip for smooth drilling job is frequently removing the bit from the hole to clear out the core will help prevent the bit from overheating or stucking.
