DIN 603 Carbon Steel Carriage Bolts Mushroom Round Head Carriage Bolt with Square Neck Bolt Fasteners

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DIN 603 Carbon Steel Carriage Bolts Mushroom Round Head Carriage Bolt with Square Neck Bolt Fasteners


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Custom Design: Precise design and production based on customer-provided drawings or requirements.

Material Selection: Supports a variety of material options to meet performance and durability standards.

Production Lead Time: Flexible delivery times based on order complexity and quantity.

Quality Control: Strict quality inspections throughout the process to ensure all products meet international standards.


materialStainless Steel, Steel, Carbon SteelGradeClass 4.8 & 6.8
Thread TypeUNFHead TypeFlat Head
finishZinc, Plainnuts per bolt2, 3
Materialhex bolt half threadGrade4.8/ 8.8/ 10.9/ 12.9
SizeM4-M100Surface treatmentWhite Zinc .Yellow Zinc. HDG
Delivery time10-25 DaysTypeDrilling
MOQ1000pcsColorSilvery White
PortShanghai NingboSampleAvaliable


Our products focus on providing high-quality custom solutions for customers. As a leading OEM manufacturer, we can accurately produce a wide range of fasteners, screws, nuts, bolts, rivets, and other products based on customer drawings or requirements. The company uses carefully selected materials and advanced manufacturing processes to ensure that each product undergoes strict quality control and meets international standards. Our services span various industries, including automotive, machinery manufacturing, construction, and electronics, dedicated to providing efficient and reliable custom fastening products for all industries.

Our website currently displays only a portion of our products. If you have specific requirements or need more detailed product information, please feel free to contact us. Our team of professionals is ready to provide tailor-made solutions to help your brand stand out.

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