CATEGORIES
- CHEMSHINE MACHINERY
- CHEMSHINE CARBON
- Carbon/Carbon Composites
- Rayon Based Soft Graphite Felt/ Carbon Felt
- PAN Based Soft Graphite Felt/Carbon Felt
- PAN Based Rigid Graphite felt Board/Cylinder
- Rayon Based Rigid Graphite Felt Board/Cylinder
- Carbon Fiber Fabric/Cloth
- Graphite Products
- Graphite Foil/Sheet/Roll
- Activated Carbon
- Carbon Fiber Rope
CONTACT US
B403，JIAHE ROAD 396，XIAMEN,CHINA
0086 592 5530176
0086 592 5531751
Products
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Boart Longyear specification NQ F2 CORE BIT & REAMING SHELL
NQ F2 CORE BIT & REAMING SHELL Size Hole (outside) Diameter, mm Core (inside) diameter, mm BQ 60 36.5 NQ 75.7 47.6 HQ 96 63.5 PQ 122.6 85
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Boart Longyear specification NQ F2 CORE BIT & REAMING SHELL
NQ F2 CORE BIT & REAMING SHELL Size Hole (outside) Diameter, mm Core (inside) diameter, mm BQ 60 36.5 NQ 75.7 47.6 HQ 96 63.5 PQ 122.6 85
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NQ,HQ,PQ High quality hot reaming shells drill tools
Diamond Reaming Shells , Surface Set And Impregnated Reaming shell is set with natural or synthetic diamond, and it is used to couple the drill bit with the core barrel. Its main function is to ream the hole to the correct constant specific diameter which ensures adequate clearance for the core barrel and sufficient clearance for the new bit which replaces an old one. It also acts as a stabilizer for drill bit.
