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8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts

8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts

  • 8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts
  • 8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts
  • 8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts
  • 8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts
8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts
Product Details:
Place of Origin: CN
Brand Name: HNF
Certification: ISO9001:2008
Model Number: 1/4" 1/2" 1 1/2"
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Common export packing. Cartons+Pallets, or customized packing
Delivery Time: 10-25days
Payment Terms: L/C, T/T, Western Union, paypal
Supply Ability: 500 ton per month
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Detailed Product Description
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
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

 

8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts 0

8.8/10.9 Grade Steel Hex Bolt For Foundation Construction , Galvanized Hex Bolts 1

Contact Details
Jiaxing Haina Fastener Co.,Limited

Contact Person: Joey

Tel: +8618957324989

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