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Home Product M6×21×1.8 Compression Spring DIN 2093 Grade 316 Stainless Steel High-Cycle Durable Automotive Machinery Component
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M6×21×1.8 Compression Spring DIN 2093 Grade 316 Stainless Steel High-Cycle Durable Automotive Machinery Component

M6x21x1.8 bolt
M6 metric bolt 21mm
1.8mm pitch M6 screw
M6*21*1.8
M6x21x1.8 bolt with 1.8mm pitch, 21mm length metric screw. Ideal for precision fastening applications requiring M6 metric bolt compatibility. High-strength M6x21x1.8 screw ensures secure connections in machinery and equipment assembly. Features standard M6 thread size and 1.8mm pitch design for consistent performance.
Categories:Fasteners & Fixings
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Product Description

The M6x21x1.8 bolt is a precision-engineered M6 metric bolt with a 21mm nominal length and a fine 1.8mm pitch thread design, meeting ISO/DIN standards for dimensional compatibility. Crafted from high-grade steel or corrosion-resistant alloys, it operates reliably across industrial temperature ranges (-50°C to 250°C) and supports heavy-duty mechanical loads. Ideal for automotive assemblies, machinery fabrication, and structural applications requiring secure fastening, this M6 screw features a hexagonal head for tool compatibility while delivering excellent tensile strength and vibration resistance. Its 1.8mm pitch ensures enhanced thread engagement in dense materials like aluminum or hardened steel. Limitations include specialized installation tools for fine threading and reduced suitability for ultra-high-speed rotational environments due to pitch-specific torque requirements.
Parameter Specification
Product Model M6x21x1.8 bolt
Thread Size M6 (ISO metric standard)
Total Length 21mm (under head)
Thread Pitch 1.8mm (coarse thread)
Thread Length 15mm (minimum engagement)
Material Grade Class 8.8 steel / 304 stainless steel
Head Style Hexagonal (ISO 4017)
Surface Treatment Zinc-plated / Passivated
Drive Type Hex Key (Allen) / External Hex Drive
Application Fields Machinery assembly, Structural fastening
Compliance Standards DIN 933 / ISO 4014
Product Variants M6 metric bolt 21mm, 1.8mm pitch M6 screw
question:How do I pay for my order?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Why can other suppliers provide discontinued models when you can't?
answer:Others may source from old stock or refurbished units. We prioritize quality assurance.
question:Can I arrange pickup via official carriers like DHL/FedEx?
answer:Yes, provide your account number and shipping documents upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:How do I pay for my order?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Why can other suppliers provide discontinued models when you can't?
answer:Others may source from old stock or refurbished units. We prioritize quality assurance.
question:Can I arrange pickup via official carriers like DHL/FedEx?
answer:Yes, provide your account number and shipping documents upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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