China wholesale B7 Bolts Factory – Fine Thread Hexagonal Bolt – 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.
Product detail pictures:





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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for China wholesale B7 Bolts Factory – Fine Thread Hexagonal Bolt – Zhongli bolts, The product will supply to all over the world, such as: Pakistan , South Africa , Stuttgart , With many years good service and development, we have a qualified international trade sales team. Our goods have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!
By Maxine
from Swansea
- 2018.09.16 11:31
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
By Diana
from Kuwait
- 2017.06.19 13:51





