| Customization: | Available |
|---|---|
| Material: | Stainless Steel |
| Type: | Countersunk Head |
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| Classification | hexagon bolt | Brand | Bygold |
| Proudct name | A4-80 GB847 316 whitewashing stainless steel cross recessed semi-countersunk head tapping screws | 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 | ST2.2-ST9.5 | Length | 30-12000mm custom as demands |
| Finish | Blackening, Plain, Black Oxide, 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 |
| Packing | 25kgs per box,36 boxes per pallet,900kgs per pallet | Sample | Sample are free |
| Feel Free to contact us if you have any questions or requirements about the product! | |||
Product Size
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.
Q&A
Q1: Why choose us?
To provide our customers with high quality fasteners in competitive price and best service.
1.The company is family-owned and has been dedicated to fastener products for generations that make us being a professional manufacturer of 8.8,10.9 and 12.9 grades in China.
2.The company has two production bases in Hunan Province and Henan Province, and cooperates with a large steel factory, good geographical location and convenient transportation, which can not only ensure fast delivery, stable quality and competitive prices.
3.We are an manufacture and trade integrated company in many years of export experience, can quote you in shortest time, the most efficient cost control and quality guarantee on raw materials,finished products and transportation cost.
Q2.How is quality ensured?
The management and quality system has been certificated in ISO9001:2000, and 3.1 certificate. Every process is performed strictly on these criteria and has a quality control and inspection.
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 of drawings and meet the requirements of high precision ?
Of course, we can, we are a professional manufacturer of 8.8,10.9 and 12.9 grades in China.
If you have any questions or needs,pls kindly tell me.
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