China wholesale A490 Bolt Manufacturer – Hex bolts DIN933 8.8 grade black oxide – Zhongli bolts Detail:
● Place of origin: Ningbo, China
● Min quantity request: 500kgs/size
● Brand Name: ZYL
● Dia: M10-M48
● Surface treatment: Black oxide, Zinc Plated,Hdg, Dacromet

GB5785


GB5786

High-strength external hexagon bolts are divided into full-threaded bolts and half-threaded bolts. Full-threaded external hexagon bolts are all threaded bolts. The difference between half-threaded external hexagon bolts and full-threaded bolts is that part of half-threaded bolts are polished rods without threads, and both of them generally need to be used with nuts.
Carbon Steel, most common seen carbon steel #45 40Cr etc.
Black oxide、Zinc Plated、dacromet
Gr8.8、 Gr10.9、Gr12.9
1. Are you a fine thread bolt manufacturer?
Yes, we are a bolt factory, manufacturer and supplier of steel structure bolts.
2. What does your company have?
We mainly produce hex bolts, hex head flange bolts, Hexagon Socket Head Cap Screws, stud bolts, hex nuts, etc.
3.How long is your delivery time for fine thread bolts?
It will be in 30-60 days according to the order quantity.
4. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment
5. why should you buy from us not from other suppliers?
Our manufacturer’s price is the most advantageous, and it is also the manufacturer with the highest product quality, appearance and cost performance.
6. Can I buy samples placing orders?
Yes.Please feel free to contact us.
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Having a sound small business credit score, outstanding after-sales services and modern manufacturing facilities, we've got earned an fantastic reputation among our buyers across the globe for China wholesale A490 Bolt Manufacturer – Hex bolts DIN933 8.8 grade black oxide – Zhongli bolts, The product will supply to all over the world, such as: Cambodia , Turin , Colombia , We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We are willing to build long-term, friendly and mutually beneficial cooperation with you.
By Rita
from Belize
- 2018.12.14 15:26
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Elsa
from Sri Lanka
- 2018.10.09 19:07





