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With over 12 years of experience, Ningbo Yunding has been a trusted manufacturer of fasteners and fixing systems since 2002. We serve customers across the US, Europe, Japan, and Australia, offering a wide range of fasteners in various shapes, sizes, and materials including steel, stainless steel, and nylon. Our products are designed to meet diverse industrial needs. We ensure top-quality by using premium European materials and advanced machinery from Switzerland and Italy. All our products go through rigorous in-house quality control in our ISO 9001:2000-certified facilities. We maintain detailed records of each product’s performance, allowing us to provide comprehensive reports on tensile strength, torque, and zinc plating thickness for every order. Our monthly production capacity exceeds 500 tons, making us one of the largest fastener manufacturers in China. We offer free samples within seven days and can fulfill orders within 1–2 months. For OEM or ODM requests, we welcome your inquiries and are ready to support your custom projects. ABOUT THIS PRODUCT:

Stainless Steel Insert
- Sizes: M3 to M12
- Materials: Carbon Steel (C1006A, 1008A, 1010A), Stainless Steel (304, 316), Aluminum (5052, 5056)
- Colors: Yellow, White, Black Zinc Plating
Head Types: Flat Head, Small/Reduced Head, CSK Head
Body Types: Round, Knurled/Ribbed, Hexagon, Blind
Sizes: GB-M3 to M12, Inch: 5/32, 3/16, 1/4, 5/16, 3/8
Surface Treatment: Yellow/White/Black Zinc Plating

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- Model No.: YDA56
- Type: Flat
- Head Style: Flat Head
- Grade: 8.8
- Payment Terms: T/T
- Trademark: YD
- Origin: Ningbo, Zhejiang, China
- Material: High Strength Steel
- Connection Type: Common Bolt
- Standards: DIN, ANSI, GB, JIS, GOST, BSW
- Finish: Zinc Plated
- Samples: Free
- Packaging: Small Box + Carton + Pallet or as per customer request
With over 12 years of experience, Ningbo Yunding has been a trusted manufacturer of fasteners and fixing systems since 2002. We serve customers across the US, Europe, Japan, and Australia, offering a wide range of fasteners in various shapes, sizes, and materials including steel, stainless steel, and nylon. Our products are designed to meet diverse industrial needs. We ensure top-quality by using premium European materials and advanced machinery from Switzerland and Italy. All our products go through rigorous in-house quality control in our ISO 9001:2000-certified facilities. We maintain detailed records of each product’s performance, allowing us to provide comprehensive reports on tensile strength, torque, and zinc plating thickness for every order. Our monthly production capacity exceeds 500 tons, making us one of the largest fastener manufacturers in China. We offer free samples within seven days and can fulfill orders within 1–2 months. For OEM or ODM requests, we welcome your inquiries and are ready to support your custom projects. ABOUT THIS PRODUCT:

Stainless Steel Insert
- Sizes: M3 to M12
- Materials: Carbon Steel (C1006A, 1008A, 1010A), Stainless Steel (304, 316), Aluminum (5052, 5056)
- Colors: Yellow, White, Black Zinc Plating
Head Types: Flat Head, Small/Reduced Head, CSK Head
Body Types: Round, Knurled/Ribbed, Hexagon, Blind
Sizes: GB-M3 to M12, Inch: 5/32, 3/16, 1/4, 5/16, 3/8
Surface Treatment: Yellow/White/Black Zinc Plating


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