- Waste Management[6]
- Gas Disposal[1]
- Cement Making Machinery[1]
- Cutting and Forming Tools[29]
- Battery Packs[1]
- Wood Based Panels Machinery[3]
- Chemical Product Machinery[7]
- Mining Machinery[1]
- Other Material Handling Equipment[1]
- Mining and Metallurgy Projects[1]
- Glass Processing Machinery[3]
- Building Glass[1]
- Tile Making Machinery[1]
- Pipe Making Machinery[1]
- Wire Mesh[1]
- Metallurgy Machinery[1]
- Motorcycles[2]
- Instrument Parts & Accessories[3]
- Machinery Agents[1]
- Electrical Ceramics[1]
- Cranes[3]
- Engine Parts[1]
- Shops[3]
- Water Treatment[1]
- Toy Accessories[2]
- Other Machinery[6]
- Mazut[1]
- Asbestos Products[4]
- Metal Straightening Machinery[1]
- Other Construction Material Making Machinery[2]
- Filters[4]
- Other Metal Processing Machinery[1]
- Metal Coating Machinery[2]
- Other Plastic Processing Machinery[2]
- Wiring Ducts[1]
- Packaging Machinery[10]
- Paper Processing Machinery[3]
- Boilers[1]
- Steel Pipes[2]
- Air-Compressor Parts[2]
- Engineered Flooring[1]
- Solar Cells[2]
- Chloride[2]
- Barley[1]
- Wheat[1]
- Crude Oil[1]
- Rubber Processing Machinery[2]
- Oil Purifier[1]
- Ultrasonic Cleaners[1]
- Sugar & Salt Processing Machine[2]
- Air-Compressors[1]
- Pumps[3]
- Other Food Processing Machinery[9]
- Separation Equipment[6]
- Fruit & Vegetable Processing Machinery[1]
- Dairy Processing Machinery[1]
- Other Industrial Filtration Equipment[8]
- Other Petrochemical Related Products[1]
- Pigment[1]
- Door Closers[1]
- Door & Window Hinges[1]
- Steel Wire[1]
- Other Measuring & Analysing Instruments[1]
- Flow Meters[1]
- Water Meters[3]
- Chemical Process Equipment Parts[2]
- Other Marine Supplies[3]
- Other Construction Machinery[1]
- Diesel Generators[6]
- Engines[1]
- Cultivators[1]
- Stainless Steel Sheets[1]
- Wheel Alignment[1]
- Glass[3]
- Contact Person : Mr. bao Shi
- Company Name : Chongqing Sky Walker Import & Export Trading Co., Ltd.
- Tel : 0086-23-67869528
- Fax : 0086-23-67868258
- Address : Chongqing,Chongqing,4/F, No.65 Jianxin Bei Road, Jiangbei, Chongqing,China.
- Country/Region : China
- Zip : 400020
sapphire hole jewels
Hole Jewel contains a series of components that are chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.
Main types: Plane straight/olive holed bearing, single-cup plane straight/olive holed bearing, double-cups plane straight/olive holed bearing, raised olive holed bearing, and single-cup raised olive holed bearing, etc.
Main Types
Specification and Technical Index
Item | Outside Diameter |
Height | Inner diameter | Radian of Inner hole |
Cup/ Raised curvature radius |
Size range | Φ0.80 ~ Φ30.00 | 0.10 ~ 115.00 | Φ0.05 ~ Φ20.00 | >2H | >0.45 |
Utmost limit tolerance | 0.004 ~ 0.05 | +/-0.01 | 0.004 ~ 0.06 |
| >+/-0.03 |
Surface roughness: the surface for application: Rz0.05~ Rz0.2 Assemble and sink surfaces: Rz3.2 |
Material
Synthetic sapphire/ruby single crystal α-Al2O3, natural agate, spinel, ceramic, etc.
sapphire hole jewels