**Product Specifications:**

**About Our Company:** With over 12 years of experience, Ningbo Yunding has been a trusted manufacturer of high-quality fasteners since 2002. We supply fasteners to clients across the US, Europe, Japan, and Australia, offering a wide range of products made from materials like steel, stainless steel, and nylon. Whether you need standard or custom parts, we are here to meet your needs. We ensure top-notch quality by using premium materials sourced from Europe and advanced machinery from Switzerland and Italy. Our ISO 9001:2000-certified production facilities implement strict in-house quality control measures at every stage. We also provide detailed reports on tensile strength, torque, and plating thickness for each order. As one of the largest fastener manufacturers in China, we can produce over 500 tons of fasteners monthly. We offer free samples within seven days and can fulfill orders in 1–2 months. For OEM or ODM projects, we welcome your inquiries. **About This Product – Hexagonal Flange Steel Lock Nut:** This lock nut features a hexagonal flange design and is available in zinc-plated finishes. It’s ideal for applications requiring secure fastening and durability. **Key Details:** - **Material:** Carbon Steel, Alloy Steel, Stainless Steel, Brass, Copper, Spring Steel - **Standard:** DIN, ANSI, ASTM, GB, JIS, ISO, Non-standard - **Grade:** 6.8, 10 - **Size:** M3 to M12 - **Thread Type:** Metric, UNF, UNC - **Surface Finish:** Plain, Black Phosphated, Zinc Plated (White/Yellow/Black), HDG, Dacromet - **Packing:** Carton/Pallet, Small Box/Carton/Pallet, or as requested - **MOQ:** 5,000 PCS - **Sample:** Free - **Delivery Time:** 25–35 Days - **Loading Port:** Shanghai or Ningbo - **Export Market:** Global **Our Export Markets Include:** Asia, Australasia, Central/South America, Eastern Europe, Middle East/Africa, North America, Western Europe. **Why Choose Us?** - Brand-name Parts - Country of Origin - Distributorships Offered - Electronic Link - Experienced Staff - Form A - Guarantee/Warranty - International Approvals - Military Specifications - Packaging - Price - Product Features - Product Performance - Prompt Delivery - Quality Approvals - Reputation - Service - Small Orders Accepted We hope our products will be a valuable addition to your business. If you have any questions, feel free to reach out—we’re always here to help! Best regards, Linda Ningbo Yunding International Enterprise Ltd. Add: B122, Duoyuan Career Creating Mansion, No. 188 South Donghanmen Road, Yuyao City, Zhejiang, China Tel: +86-574-58225235 Fax: +86-574-58221411 Mobile: 15267834553 Welcome to our company!
- Model No.: YDR-HSZ01
- Type: Hexagon Head with Flange
- Head Style: Hexagonal
- Grade: 6.8
- Surface Finish: Zinc, Nickel, Chrome Plated
- Sample Policy: Free Samples Available
- Payment Terms: T/T (Telegraphic Transfer)
- MOQ: 5,000 PCS
- Thread Type: Metric, UNF, UNC
- Packaging: Small Box + Carton + Pallet or as per Customer Request
- HS Code: 73189900
- Material: Copper
- Connection Type: Hinged Bolts
- Standards: DIN, ANSI, GB
- Available Materials: Carbon Steel, Alloy Steel, Stainless Steel, Brass
- Size Range: M3 to M12
- Packing Options: Small Box and Carton or Customized Packaging
- Delivery Time: 25–35 Days
- Loading Port: Shanghai or Ningbo
- Brand Name: NBYD
- Origin: Ningbo, Zhejiang, China

**About Our Company:** With over 12 years of experience, Ningbo Yunding has been a trusted manufacturer of high-quality fasteners since 2002. We supply fasteners to clients across the US, Europe, Japan, and Australia, offering a wide range of products made from materials like steel, stainless steel, and nylon. Whether you need standard or custom parts, we are here to meet your needs. We ensure top-notch quality by using premium materials sourced from Europe and advanced machinery from Switzerland and Italy. Our ISO 9001:2000-certified production facilities implement strict in-house quality control measures at every stage. We also provide detailed reports on tensile strength, torque, and plating thickness for each order. As one of the largest fastener manufacturers in China, we can produce over 500 tons of fasteners monthly. We offer free samples within seven days and can fulfill orders in 1–2 months. For OEM or ODM projects, we welcome your inquiries. **About This Product – Hexagonal Flange Steel Lock Nut:** This lock nut features a hexagonal flange design and is available in zinc-plated finishes. It’s ideal for applications requiring secure fastening and durability. **Key Details:** - **Material:** Carbon Steel, Alloy Steel, Stainless Steel, Brass, Copper, Spring Steel - **Standard:** DIN, ANSI, ASTM, GB, JIS, ISO, Non-standard - **Grade:** 6.8, 10 - **Size:** M3 to M12 - **Thread Type:** Metric, UNF, UNC - **Surface Finish:** Plain, Black Phosphated, Zinc Plated (White/Yellow/Black), HDG, Dacromet - **Packing:** Carton/Pallet, Small Box/Carton/Pallet, or as requested - **MOQ:** 5,000 PCS - **Sample:** Free - **Delivery Time:** 25–35 Days - **Loading Port:** Shanghai or Ningbo - **Export Market:** Global **Our Export Markets Include:** Asia, Australasia, Central/South America, Eastern Europe, Middle East/Africa, North America, Western Europe. **Why Choose Us?** - Brand-name Parts - Country of Origin - Distributorships Offered - Electronic Link - Experienced Staff - Form A - Guarantee/Warranty - International Approvals - Military Specifications - Packaging - Price - Product Features - Product Performance - Prompt Delivery - Quality Approvals - Reputation - Service - Small Orders Accepted We hope our products will be a valuable addition to your business. If you have any questions, feel free to reach out—we’re always here to help! Best regards, Linda Ningbo Yunding International Enterprise Ltd. Add: B122, Duoyuan Career Creating Mansion, No. 188 South Donghanmen Road, Yuyao City, Zhejiang, China Tel: +86-574-58225235 Fax: +86-574-58221411 Mobile: 15267834553 Welcome to our company!

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