Finish:Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
Description
DIN605 Flat Countersunk Head Square Neck Bolts With Long Square are specifically designed for secure fastening in wood and metal applications, where a smooth, flush finish is required. The extended square neck beneath the head helps to prevent rotation during tightening, making them ideal for through-hole installations and fixed joints.
These bolts are commonly used in heavy-duty construction, railway, timber structures, and industrial assembly due to their reliable locking mechanism and clean finish.
Manufactured from carbon steel or stainless steel, these bolts are available in various strength grades including 4.8, 8.8, 10.9, and 12.9 to meet a range of structural needs. A variety of surface finishes are available, such as plain, black oxide, zinc electroplating, hot dip galvanizing, copper plating, nickel plating, and zinc impregnation, providing enhanced corrosion resistance and aesthetic options.
Specifications:
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Standard: DIN605 (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, 12.9
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Finish Options: Plain, Black Oxide, Zinc Electroplating, Hot Dip Galvanizing, Copper Plating, Nickel Plating, Zinc Impregnation
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Applications: Timber connectors, railway fastening systems, structural framing, machine bases
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OEM Customization: Available per customer drawings or samples
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Samples: Free samples provided
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Packaging: Wooden boxes, pallets, cartons, plastic bags, nylon bags
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