Diamond Core Drill Bits
Applications: Reinforced concrete, cured concrete, concrete brick/wall/block/bridge/highway, masonry, abrasive materials, stones and refractory materials, construction and engineering industry etc;
Products characters:
High diamond concentration
Fast and smooth cutting
Stable and aggressive performance
Long working lifespan
High quality and competitive prices
Diamond core drill bits differ from other drill bits because they consist of a steel casing that has diamonds embedded on the cutting edge of the bit. Diamonds are one of the hardest substances known to man, and they work very well to cut through harder materials that would destroy a metal-only drill bit.
The main working parts of Diamond core drill bits - drilling segments are made of Cobalt-based formula, and superior grade diamond to match, the quality is at least twice better than normally used Iron base formula by other most producers.
Core Bits to be used with: Core Rigs
CE: ISO: 9001: 2000
MOQ: 5-10PCS
Packing: Neutral packing
Delivery time: 2-3weeks
| Diameter | Working length | Segment number | Segment size |
| 16mm | 300mm | 1 | 9x3.2mm |
| 18mm | 300mm | 1 | 9x3.2mm |
| 20mm | 300mm | 1 | 9x3.2mm |
| 22mm | 300mm | 1 | 9x3.2mm |
| 24mm | 300mm | 3 | 15.5x3x9mm |
| 25mm | 300mm | 3 | 15x3x9mm |
| 28mm | 300mm | 3 | 15x3.2x9mm |
| 30mm | 300mm | 3 | 15x3.2x9mm |
| 32mm | 300mm | 4 | 15x3.2x9mm |
| 36mm | 300mm | 4 | 15x3.2x9mm |
| 38mm | 400mm | 5 | 15x3.2x9mm |
| 40mm | 400mm | 5 | 15x3.2x9mm |
| 42mm | 400mm | 5 | 15x3.2x9mm |
| 47mm | 400mm | 4 | 24x3.5x9mm |
| 51mm | 400mm | 5 | 20x3.5x9mm |
| 51mm | 450mm | 5 | 24x3.5x9mm |
| 63mm | 450mm | 6 | 24x3.5x9mm |
| 68mm | 450mm | 6 | 24x3.5x9mm |
| 78mm | 450mm | 7 | 24x3.5x9mm |
| 82mm | 450mm | 7 | 24x3.5x9mm |
| 92mm | 450mm | 8 | 24x3.5x9mm |
| 102mm | 450mm | 9 | 24x3.5x9mm |
| 108mm | 450mm | 9 | 24x3.5x9mm |
| 112mm | 450mm | 9 | 24x4x9mm |
| 122mm | 450mm | 10 | 24x4x9mm |
| 127mm | 450mm | 11 | 24x4x9mm |
| 132mm | 450mm | 11 | 24x4x9mm |
| 152mm | 450mm | 12 | 24x4.5x9mm |
| 162mm | 450mm | 12 | 24x4.5x9mm |
| 172mm | 450mm | 12 | 24x4.5x9mm |
| 182mm | 450mm | 13 | 24x4.5x9mm |
| 202mm | 450mm | 15 | 24x4.5x9mm |
| 212mm | 450mm | 16 | 24x4.5x9mm |
| 225mm | 450mm | 15 | 24x4.5x8.5mm |
| 250mm | 450mm | 16 | 24x4.5x8.5mm |
| 300mm | 450mm | 17 | 24x4.5x8.5mm |
| 350mm | 450mm | 20 | 24x5x8.5mm |
HEBEI HOLLYLAND Co., Ltd was established in 1994, we specializing in the Internation Trade for more than 15 years, we own four factories to produce different items, we have professional team for sourcing various products in China; Controling the quality, we could meet or exceed your quality requirement; Controling the delivery date, packing and loading; Handling any kinds of shipment by air or sea.
We have accumulated enough management, we can help you to reduce your International Sourcing Cost, we can help you to increase your bottom line.
We have many year experience of export and know very well about the different needs of customers from both in developing countries and developed courties, and provides a large number of customers with satisfactory high quality with good service. Now our products have been exported to more than 30 countries and regions of the world, and established a long-term cooperative relationship with clients. We do firmly believe a true partnership never ends with the delivery of the goods and satisfactory after-sales service can make a great difference.
