Product Parameters
| Classification |
hexagon bolt |
Brand |
Bygold |
| Proudct name |
Grade 8.8 GB5782 Colored zinc hexagon bolt half threaded Carbon steel/alloy steel |
Standard |
GB / DIN / BSW / UNC / ISO / ANSI/ASME / Customized |
| Grade |
4.8 / 8.8 / 10.9 / 12.9 according to customer needs |
Material |
carton steel /alloy steel /Stainless steel/others according to customer needs |
| Specification |
M48*350 |
Length |
30-12000mm custom as demands |
| Finish |
Blackening, Plain, Polished Black,
Zinc Plated (electrical Galvanized----white zinc / blue zinc/ yellow zinc/blue white zinc/colored zinc),
Dacromet / HDG (hot dip galvanizing),
Whitewashing |
Application |
Machinery, Chemical Industry, Environmental, Building.other |
Detailed Photos
Company Profile
F1 fastener(Hunan Bygold technology Co.,Ltd.) is a company which integrating manufacture and trade.
We've been focused on development,production and marketing on F1 fasteners in DIN, ANSI,ISO, and GB standards for 30 years.
Now our capacity is 600,000 ton per year. The management and quality system has
been certificated in ISO9001:2000, and 3.1 certificate. The mainly produce are bolts, screws nuts,washers and
threaded rod etc in all kinds of and all sizes fasteners used in Construction, electrical, Agriculture, &Automotive lndustry.
We will not noly provide you with in complete size,competitive price and prompt delivery,as one the top of the professional class 8.8 ,10.9
and 12.9 grade fasteners manufactures in China.but also non-standard items,special fasteners according to your requirements,and other fastener in 4.6,4.8,5.6,5.8,6.8 grade.
Hunan standard industrial products co. Ltd., is our branch company which is a trading company specialized in providing standard industrial products and machinery&equipment.The owner family of our company is engaged in fasteners for several generations, and has accumulated a large number of high-quality source manufacturers related to this industry. If you find us, we will find the most competitive products for you in China.
We are proficiently engaged in manufacturing various kinds of high strength bolts, nuts and thread rods,Fastener,Bolt,Nut,Washer,Thread Bar,Special Bolt,Carbon steel Screw,Stainless steel Bolt with a yearly capacity of 600, 000 tons.
| Standard: |
Colored zinc hexagon bolt half threaded Carbon steel/alloy steel |
| Grade: |
4.8 6.8 8.8 10.9 12.9 |
| Size: |
M48*350 |
| Surface treament: |
Black,zinc plated,zinc(yellow)plated,H.D.G etc,Dacroment |
| Material: |
Carbon steel,alloy steel,stainless steel,ec |
| Packing: |
25kgs per box,36 boxes per pallet,900kgs per pallet. |
| Sample: |
Sample are free. |
Q1: Why choose us?
To provide our customers with first-class services in the supply of quality fasteners minimizing costs.
1.1. Vision: We wishes to build successful relations with our partners and be their first choice as an fasteners supplier.
1.2. Mission: professional customer service, and innovation in technology.
Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion for your reference, if you have a better idea , please feel free to share with us.
Q2.How is quality ensured?
All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
Q3:If you can not find on our website the product you need how to do?
You can send the pictures/photos and drawings of the products you need by email , we will check if we have them. We develop new models every month, Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.
Q4:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
Audited Supplier 
Audited Supplier 
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