Product Description
Finish：Plain, Black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
Material：Carbon steel、Stainless steel
Grade：4.8，8.8, 10.9
Standard ：GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC.
Non-standards：OEM is available, according to drawing or samples.
Package：Wooden boxes, pallet, cartons, plastic bags, nylon bags.
Description
DIN603 Cup Head Square Neck Bolts, commonly known as carriage bolts, are versatile fasteners designed for smooth, tamper-resistant finishes in structural and decorative applications. The rounded dome-shaped head provides a clean look, while the square neck under the head ensures a firm grip into the mating material, preventing rotation during tightening.
These bolts are ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections in construction, furniture, and mechanical applications. Made from carbon steel or stainless steel, they are available in grades 4.8, 8.8, and 10.9 for strength options suitable for light to heavy-duty applications.
Multiple surface finishes are offered, including plain, black oxide, zinc electroplating, hot dip galvanizing, copper plating, nickel plating, and zinc impregnation, providing corrosion resistance and aesthetic appeal.
Specifications:
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Standard: DIN603 (also compatible with GB, ISO, ANSI/ASTM, BS, JIS, etc.)
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Material: Carbon Steel, Stainless Steel
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Grades: 4.8, 8.8, 10.9
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Surface Finish Options: Plain, Black Oxide, Zinc Electroplated, Hot Dip Galvanized, Copper Plated, Nickel Plated, Zinc Impregnated
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Applications: Wood structures, metal frameworks, machinery, furniture assembly
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Non-standard Availability: OEM production available upon drawings or samples
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Samples: Free samples provided upon request
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Packaging: Wooden boxes, pallets, cartons, plastic bags, nylon bags
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