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China, Chinese Black Plated Flat Head Pin with a Hole1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingPinBlack PlatedFlat Head Pin with a Hole
Hebei Lingke Metal Products Co., Ltd
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Product Descriptionblack plated flat head holed clevis pinMaterial & Black Plating TechnologyDesign Specifications & Standards ComplianceKey ApplicationsThese pins are primarily constructed from carbon steel (e.g., Q235 or 45# steel) for balanced strength and machinability, with tensile strength ranging from 375–700 MPa. The surface undergoes black oxide coating (also known as bluing), a chemical conversion process that forms a dense FeO layer through immersion in hot alkaline solutions (135–145°C). This treatment:Enhances corrosion resistance (withstands 48–96 hours of salt spray testing per ASTM B117).Creates a uniform matte black finish, reducing light reflection and improving aesthetic consistency.Improves lubricity, minimizing galling during installation in metal-to-metal contact scenarios.Adhering to standards like GB/T 882-2008 and ISO 2341:1986, key dimensional features include:Nominal diameter (d): 3mm–100mm, with precision tolerances (h9 for critical fits, h11 for general use).Length (L): 10mm–300mm, with length tolerance ±0.5mm (short pins) to ±1mm (long pins).Flat head dimensions: Head diameter (d) = 1.5–2×d; head thickness (h) = 0.3–0.5×d for stable seating.Hole configuration: A through-hole (d = 0.25–0.4×d) positioned 2–5mm from the tip, compatible with cotter pins (GB/T 91) for anti-loosening security. Defense: Securing tactical equipment, vehicle armor panels, and weapon mounts, leveraging low visibility and anti-corrosion properties.Industrial Machinery: Fastening guards, levers, and linkage components in manufacturing lines, where dark finishes reduce visual distraction.Automotive & Transportation: Used in undercarriage hinges and chassis brackets, withstanding road debris and mild moisture.Security Equipment: Assembling access control systems, vault doors, and surveillance gear, where and reliable locking are critical.ItemDetailsStructural Compositionblack plated flat head holed clevis pinstandardGB/T 882-2008Surface Treatmentblack platedPacking & DeliveryBag PackagingCarton PackagingFasteners can be packaged in durable plastic bags, which are available in various sizes to accommodate different quantities (e.g., small batches of screws, nuts, or bolts). The bags are typically sealed by heat or with a zipper to prevent moisture, dust, and loss of contents. This method is lightweight, cost-effective, and suitable for retail sales, small shipments, or situations where easy access to the fasteners is needed. Additionally, clear plastic bags allow for quick visual identification of the products inside.For larger quantities or bulk transportation, cartons are commonly used. These are sturdy cardboard boxes, often reinforced with corrugated layers to provide protection against impact during handling and shipping. Fasteners in cartons are usually pre-packed in bags or separated by dividers to avoid friction and damage. Cartons can be labeled with product details (e.g., type, size, quantity) and are stackable, optimizing storage and logistics efficiency. This method is ideal for industrial orders, wholesale distribution, or long-distance transportation where durability is a priority.Company ProfileCompany Name Hebei LING KE Metal Products Manufacturing Co.has firmly established itself as a leading force in the fastener industry, with a rich history and a commitment to excellence that spans over 10 years. Since its inception, the company has been dedicated to providing high-quality fasteners and comprehensive fastening solutions to a diverse range of industries worldwide.In recent decades, Hebei LING KE Metal Products Manufacturing Co. has expanded its footprint globally, establishing strategic partnerships and distribution centers in key regions around the world. This has allowed the company to better serve its international customer base and meet the growing demand for its products in emerging markets.
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