Jiaxing Haina Fastener Co.,Limited
| Payment Terms | L/C, T/T, Western Union, paypal |
| Supply Ability | 500 ton per month |
| Delivery Time | 10-25days |
| Packaging Details | Common export packing. Cartons+Pallets, or customized packing |
| Product | 8.8/10.9 grade Carbon Steel HDG Hex Electric Tower Bolts for Foundation Construction |
| Head Style | Hexagonal Head |
| Surface | Zinc Plated |
| Specification | DIN931 DIN933 |
| Grade | 8.8/10.9 grade |
| Color | Blue white |
| Name | Tower Bolts |
| Thread | Right Thread |
| Pitch | Coarse Thread Fine Thread |
| Brand Name | HNF |
| Model Number | 1/4" 1/2" 1 1/2" |
| Certification | ISO9001:2008 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, paypal | Supply Ability | 500 ton per month |
| Delivery Time | 10-25days | Packaging Details | Common export packing. Cartons+Pallets, or customized packing |
| Product | 8.8/10.9 grade Carbon Steel HDG Hex Electric Tower Bolts for Foundation Construction | Head Style | Hexagonal Head |
| Surface | Zinc Plated | Specification | DIN931 DIN933 |
| Grade | 8.8/10.9 grade | Color | Blue white |
| Name | Tower Bolts | Thread | Right Thread |
| Pitch | Coarse Thread Fine Thread | Brand Name | HNF |
| Model Number | 1/4" 1/2" 1 1/2" | Certification | ISO9001:2008 |
| Place of Origin | CN | ||
| High Light | Galvanized Hex Bolts ，Hex Flange Bolt | ||
8.8/10.9 grade Carbon Steel HDG Hex Electric Tower Bolts for Foundation Construction
Description:
Power tower screw professional production enterprises, our company * quality,* service, model complete, spot supply!Iron tower bolt, iron tower screw, power tower bolt, power bolt, hot-dip galvanized bolt, hot-dip galvanized bolt, galvanized bolt, galvanized screw, hot-dip galvanized iron tower bolt, hot-dip galvanized power bolt and other products are available.
The transmission tower bolt in addition to a small number of important occasions to use steel tube tower, most still predominantly tower bolt assembly at the scene, the threaded connection is widely used in power transmission tower bolt assembling way, but under the occasion of dynamic load and temperature difference is bigger, loose bolt connection is likely to happen, loose after the disappearance of the connection strength, can cause equipment damage accident.
Cold drawing, cold upsetting or hot forging, stress removal annealing and hot galvanizing are important forming processes for tower bolts. In this paper, the relationship between 6.8 class tower bolt forming process and residual stress distribution in the subsurface layer of the polished bolt rod was studied, as well as the appearance features and corrosion resistance of hot Zn and zn-5al coating layers at different temperatures.The effects of stress removal annealing and hot dip galvanizing on the surface residual stress of cold heading bolt and hot forging bolt were compared.
By OM, SEM, EDS, X-ray residual stress analyzer and electropolishing instrument, the distribution of residual stress at different depths of the subsurface layer of 6.8 tower bolt polished rod was studied.The corrosion resistance of Zn and Zn-5Al coating on bolt surface was studied by NSS test and electrochemical polarization test.The results show that there are different residual stress states in the surface layer of bolt making process.
Specification:
| Material Type | 8.8/10.9 grade Carbon Steel HDG Hex Electric Tower Bolts for Foundation Construction |
| Dia | 1/4 1/4 |
| Length | 2" |
| System of Measurement | AISI Inch Metric Thread |
| Specification Met | ANSI/ASME B18.2.1 DIN933 DIN931 |
| Drive Stype | External Hex |
| Exterior Finish | Zinc Plated |
| Grade | Gr4.8 Gr8.8 Gr10.9 |
| Head Style | Hexagonal Hex |
| Thread Style | Right Hand |
| Testing Equipment | Salt Spray Test, Durometer, and Coating Analyzer,Tensile Machine |
| Management System | ISO9001 |
| Certification | SGS,Material Certication,PPAP,BV |
| Warranty | Replacement at all our cost for rejected products |
| Sample | Free |
| OEM | Available |
Application:
Hexagonal bolts connect two parts.
This connection type called bolt connection. As to unscrew the nuts from the bolts, so that the two parts can be separated, so bolting belongs detachable connection.
The hex head bolts are be used in connecting.
Advantages:
1. Many sizes and material hex bolts are in stock.
2. OEM workable
3. Great after sales service
4. Best quality
5. 24 hours on line
6. Mill Test Certificate MTC
7. Test report
8. Widely market
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company
Year Established:
2010
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Active Member
Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine... Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine...
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