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NINGBO YONGBIAO FASTENER CO.,LTD
NINGBO YONGBIAO FASTENER CO.,LTD
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GB5783 Class8.8 Zinc Galvanized Hex Head Bolt For Machinery

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NINGBO YONGBIAO FASTENER CO.,LTD

City: ningbo

Province/State:zhejiang

Country/Region:china

Tel:+86--18658229310

Contact Person:
Ms.Amylin
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GB5783 Class8.8 Zinc Galvanized Hex Head Bolt For Machinery

Brand Name YongBiao
Model Number Hex Bolt
Certification ISO9001/16949
Place of Origin ZheJiang,China
Minimum Order Quantity 10000
Price FOB NingBo 0.004-1.12USD
Payment Terms T/T
Supply Ability 500tons/month
Delivery Time 7-25days
Packaging Details Carton Box/Pallet/Customized
Trade Term EXW/FOB/CIF/DDP/DDU
Material Stainless Steel
Head Height 0.125 inch
Sample Accept
Transport Package Plastic Bags and Cartons
Strength 8.8Grade
Product Grade A
Port NINGBO or SHANGHAI
Tolerance 24-48H
Detailed Product Description

GB5783 Class8.8 Zinc Galvanized Hex Head Bolt For Machinery


1.Products Details:

Hexagon head galvanized bolts are a type of fastener with a six-sided (hexagonal) head, designed for secure and reliable joining of components in various applications. They undergo a galvanization process—coating with a layer of zinc—to enhance their durability and resistance to environmental factors.


2.Key Features:

- Hexagonal Head Design:

Allows easy tightening and loosening using standard wrenches or sockets, ensuring efficient installation and maintenance.
- Galvanized Coating:

The zinc layer acts as a protective barrier, significantly improving corrosion resistance, making them suitable for outdoor, humid, or industrial environments where exposure to moisture, chemicals, or weathering is common.
- High Strength:

Typically made from carbon steel (e.g., 8.8 grade) or alloy steel, providing strong clamping force for structural and mechanical connections.
- Versatility:

Widely used in construction, automotive, machinery, electrical equipment, and infrastructure projects due to their compatibility with nuts and various materials (metal, wood, etc.).
- Cost-Effective Protection:

Galvanization offers long-term corrosion resistance at a relatively low cost compared to other protective treatments like stainless steel.


3.Technical Parameters of Hex Bolt with lock and plain washer

dM3M4M5M6M8M10M12(M14)M16(M18)M20(M22)M24
P0.50.70.811.251.51.75222.52.52.53
aMAX1.52.12.433.754.55.25667.57.57.59
MIN-------2-2.5-2.5-
cMAX0.40.40.50.50.60.60.60.60.80.80.80.80.8
MIN0.150.150.150.150.150.150.150.150.20.20.20.20.2
daMAX3.64.75.76.89.211.213.715.717.720.222.424.426.4
dwGrade AMIN4.65.96.98.911.614.616.619.622.525.328.231.733.6
Grade BMIN--6.78.711.414.416.419.22224.827.731.433.2
eGrade AMIN6.077.668.7911.0514.3817.7720.0323.3526.7530.1433.5337.7239.98
Grade BMIN--8.6310.8914.217.5919.8522.7826.1729.5632.9537.2939.55
kd22.83.545.36.47.58.81011.512.51415
Grade AMIN1.882.683.353.855.156.227.328.629.8211.2812.2813.7814.78
MAX2.122.923.654.155.456.587.688.9810.1811.7212.7214.2215.22
Grade BMIN--3.263.765.066.117.218.519.7111.1512.1513.6514.65
MAX--3.744.245.546.697.799.0910.2911.8512.8514.3515.35
k1Grade AMIN1.31.92.352.73.64.355.1266.97.98.69.610.35
Grade BMIN--2.282.633.544.285.0566.87.88.59.510.3
rMIN0.10.20.20.250.40.40.60.60.60.60.810.8
sMAX5.57810131618212427303436
Grade AMIN5.326.787.789.7812.7315.7317.7320.6723.6726.6729.6733.3835.38
MIN--7.649.6412.5715.5717.5720.1623.1626.7629.163335

4.Certificate Display

           

5.Production Process

6.Packaging and shipping Details

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