Model No.: M3-M30
Application: Machinery, Chemical Industry, Environmental, Construction, Aviation, Solar Energy, Nuclear Power, Glass Curtain Wall
Finish: Black, Zinc-Plated, Dacromet, and more
Color: Silver
Trademark: Youjia
Shipping Package: Cartons and Pallets
Specification: M3-M30
Origin: China
HS Code: 7318159090
Product Name | Stainless Steel Carriage Bolt with Mushroom Head Square Neck |
Material | Stainless Steel 304, 316, 410 |
Color | Silver |
Standard | DIN, ISO, JIS, GB, ANSI, ASME, BSW, and other international standards |
Grade | A2-70; A4-70 |
Packaging | Standard export packaging or customized as per customer requirements |
Delivery Time | 3-20 days for standard products; custom orders require reconfirmation |
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About Our Company

Dongying Youjia Industry & Trade Co., Ltd.
Established in 2008, Dongying Youjia Industry & Trade Co., Ltd. is a professional manufacturer and exporter of stainless steel fasteners and castings. Located in Dongying City, Shandong Province, our company has built a strong reputation for high-quality products and reliable service across global markets. With over 100 employees and an area of 60,000 square meters, we produce a wide range of stainless steel components that meet international standards. We are certified with REACH, ROHS, and other important quality assurance systems. Our goal is to provide excellent value and long-term partnerships to our customers worldwide.

FAQs
Q1: What are your main product categories?
A: We specialize in fasteners such as bolts, nuts, screws, washers, and stainless steel castings.
Q2: What is your typical delivery time?
A: For standard stock items, it’s usually 3–20 days. For custom orders, the timeline varies depending on the quantity and complexity.
Q3: Do you offer samples?
A: Yes, we can provide samples upon request, but shipping costs will be covered by the customer.
Q4: Can you send us a catalog and price list?
A: Due to the large number of products we offer, it’s not feasible to send all catalogs. Please let us know which specific products you need, and we’ll provide a detailed quotation for your reference.
Structural Steel,Concrete Rebars,Deformed Rebar,Rebar Hot Dipped Zinc Rebar,Mild Steel Rebar
SHANDONG HUITONG STEEL CO.,LTD , https://www.cnmetalsupply.com