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Single Cone Roller Bit for Very Hard Rock Drilling
| Different name： | tri-cone bit, Roller Cone, 8.5" Roller Bit |
| Main application： | core barrel, |
| Core specification parameters： | 8.5”, 8 1/2, IADC 637 |
| Applications: | Granit drilling, Drilling bucket, Core barrel, Deep foundation drilling, bored piling, Drilled shafts, water well drilling, HDD tools, Civil engineering, Infrastructure etc. |
Description
The wear parts we produced for foundation drilling include round shank chisel, flat teeth, welding bar, roller bit, pilot, casing screw and so on.
The roller bit is made of tungsten carbide and steel. The tungsten carbide tip is wear-resistant which performs well in very hard rock drilling. Our drill bits are with high efficiency for drilling and long service life.
Material: Tungsten Carbide, Steel
Specifications
| Model | Description | Formation |
| KDR-47 | 8.5” Roller bit with 47pcs conical bit | For 110-180Mpa |
| KDR-50 | 8.5” Roller bit with 50pcs conical bits | For 110-180Mpa |
| KDR-52 | 8.5” Roller bit with 52pcs conical bits | For 110-180Mpa |
| KDR-50H | 8.5” Roller bit with 50pcs conical bits and holder | For 110-180Mpa |
| KDR-12 1/4 | 12 1/4” Roller bit | For 110-180Mpa |
Package:
Wooden Case.
| Place of Origin: | Made in China |
| Brand Name: | KIMDRILL |
| Model: | 8 1/2” single cone, 12 1/4” roller bit |
| Material: | Carbide tip, Steel |
| Usage: | Hard Rock Drilling, Granit drilling, core barrel |
| Certification: | ISO 9001/ COC/PVOC |
| Minimum Order Quantity: | 1 pc |
| Packaging Details: | Case |
| Delivery Time: | At Stock or 7 working days for large quantity |
Competitive Advantage
Special design for Piling tools
1.6KG-2.1KGS carbine bits for each roller bit
Reasonable layout of carbine bit
High torque & drilling weight capacity (6.5 tons)
Reach to 2500mm core barrel application
High temperature sealing ring
Vacuum oil filling
