
Product Details
Name | Self-locking counter nuts |
Materials | Stainless Steel 304/316 |
Standard | DIN 7967 |
Thread | Metric coarse |
Diameter | ∮6 to ∮24 |
Surface Treatment | Bright |
Grades | A2-70, A4-70 |
Thread Direction | Right hand |
Thread Angle | 60° |
Go Gauge | OK |
No-Go Gauge | OK |
Certification | ROHS, REACH |
Packing | Small box / Carton, Cartons Bulk / Pallet, Gunny Bag. |

Drawing for Reference

Factory Show

Packing & Shipping

Our Services
1. Factory price & trading company services
With over a decade of experience in fastener manufacturing, we operate one factory and collaborate with five others, equipped with advanced machinery and skilled workers. Our dedicated trading team includes more than 10 professionals, ensuring competitive pricing and reliable service.
2. One stop purchase
We offer a vast selection of over 50,000 fastener types, adhering to standards such as DIN, ISO, GB, JIS, ASME, and ANSI. Custom drawings and non-standard products are also available to meet your specific needs.
3. Timely delivery
We maintain a large inventory and a 3,000 square meter warehouse to ensure quick fulfillment and timely deliveries.
4. Small order acceptable
We welcome small orders before formal cooperation, making it easy for new clients to start working with us.
5. Professional Service
Our technical team is ready to assist with custom designs and detailed specifications. We support OEM and ODM projects to meet unique requirements.
6. High credit limit
Our company has a $64,000 credit limit, ensuring that payment, quality, and delivery timelines are not an issue for our customers.
7. Free samples
We provide free samples to help you evaluate the quality and craftsmanship of our products before placing an order.
Company Introduction
FAQ
Q1. What are your main products?
A: Fasteners, bolts, nuts, screws, washers, etc.
Q2. Do you have a minimum quantity?
A: No, we accept any order size.
Q3. What is your delivery time?
A: If we have stock, we can deliver within 3 days after receiving payment. For production orders, it typically takes 20 days for a container (20–26 tons).
Q4. What is your payment term?
A: We usually require a 30% advance payment via T/T, with the remaining 70% paid before shipment.
Q5. How is your quality? And what if we don't satisfy with your quality?
A: We produce according to your specifications. If the quality is unsatisfactory, we will refund you.
Q6. What about the warranty?
A: We are confident in our products and ensure they are well-packaged to prevent damage during transit.
To avoid any quality issues, we recommend inspecting the goods upon receipt. If there is any damage or quality concern, please take photos and contact us immediately so we can resolve the issue promptly.
Q7. Could you send me your catalog and price list?
A: With thousands of products, sending all catalogs and price lists is challenging. Please let us know which items you're interested in, and we’ll provide a tailored price list for your reference.
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GR (SHANDONG) NEW MATERIAL CO., LTD , https://www.grmaterial-film.com