China wholesale Hexagon Head Bolts Manufacturers – Hexagon Bolts DIN931 Gr8.8 black – Zhongli bolts Detail:
● Place of origin: Ningbo, China
● Min quantity request: 500 kgs per size
● Brand Name: ZYL
● Material: 35K 45K,10B21, 40Cr,35CrMo,42CrMo
● Dia: M10-M48
● Surface treatment: Black oxide, Zinc Plated,Hdg.Dacromet
● Place of origin: Ningbo, China
● Min quantity request: 500 kgs per size
● Brand Name: ZYL
● Material: 35K 45K,10B21, 40Cr,35CrMo,42CrMo
● Dia: M10-M48
● Surface treatment: Black oxide, Zinc Plated,Hdg.Dacromet

ISO4014


GB5782

GB, the Chinese Pinyin abbreviation of “National Standard”, means the national standard of the People’s Republic of China.
ISO, the English abbreviation of the International Organization for Standardization. Its full name is “International Organization for Standardization” or “International Stadard Organized”.
Black oxide、Zinc Plated、dacromet
Gr8.8、 Gr10.9、Gr12.9
1. Are you a GB and ISO bolt manufacturer?
Yes, we are manufacturer
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 GB and ISO bolts?
30-45 days
4. How long I can get the price?
We usually quote within 24 hours after we get your inquiry(Except weekend and holidays).
5. What about the warranty?
We are very confident in our products, and we pack them very well to make sure the goods in well protection.
To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don’t forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
Product detail pictures:


Related Product Guide:
continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for China wholesale Hexagon Head Bolts Manufacturers – Hexagon Bolts DIN931 Gr8.8 black – Zhongli bolts, The product will supply to all over the world, such as: Hyderabad , Uzbekistan , Benin , Meanwhile, we're building up and consummating triangle market & strategic cooperation in order to achieve a multi-win trade supply chain to expand our market vertically and horizontally for a brighter prospects. development. Our philosophy is to create cost-effective products, promote perfect services, cooperate for long-term and mutual benefits, firm a comprehensive mode of excellent suppliers system and marketing agents, brand strategic cooperation sales system.
By olivier musset
from Greece
- 2017.09.16 13:44
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
By Gladys
from Oman
- 2017.12.19 11:10






