China wholesale Grade 8.8 Bolt Supplier – Hexagon Head bolt Fine Coarse thread UNC&UNF – Zhongli bolts Detail:
● Place of origin: Ningbo, China
● Min quantity request: 900kgs per size
● Brand Name: ZYL
● Material: 35k 45k 40Cr etc
● Dia: M8-M36
● Surface treatment: Black oxide, Zinc Plated


1. The pitch of coarse teeth is large and that of fine teeth is small. 2. Thick ones have high strength, while thin ones are well sealed. 3. Coarse-tooth bolt pattern has stronger fatigue resistance, which is convenient for frequent disassembly, fine-tooth self-locking ability, large bottom diameter and strong static load capacity.
UNC&UNF bolts are made of carbon steel C1035 C1045 for Gr5, 40Cr for Gr8
Black oxide、Zinc Plated、dacromet
Gr5、 Gr8
1. Are you a UNC&UNF bolt manufacturer?
Yes, we are a UNC&UNF bolt factory.
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 does the payment process work?
According to the specific situation, our payment terms are flexible. Generally, we recommend 30% deposit, and the balance against copy B/L
4. What about after-sales?
When our metal parts are suitable for your products, we will follow up and wait for your feedback. Our experienced engineers are willing to help with any problems related to our metal parts.
Product detail pictures:





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Good quality To start with,and Purchaser Supreme is our guideline to offer the top service to our customers.Presently, we've been seeking our best to be amongst the top exporters inside our industry to fulfill consumers extra need to have for China wholesale Grade 8.8 Bolt Supplier – Hexagon Head bolt Fine Coarse thread UNC&UNF – Zhongli bolts, The product will supply to all over the world, such as: Maldives , Sri Lanka , Southampton , We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We are able to also provide you with no cost samples to meet your needs. Best efforts will be produced to offer you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our products and enterprise. lot more, you'll be able to come to our factory to find out it. We will constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. Please really feel absolutely free to make contact with us for small business and we believe we will share the top trading practical experience with all our merchants.
By Annie
from Vietnam
- 2017.08.18 11:04
As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
By Belle
from Argentina
- 2018.06.03 10:17




