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Home Product M5x45 Hex Bolts Metric DIN 933 Zinc Plated Steel Fasteners for Automotive Machinery
Metric external hexagonal bolts M5*45

M5x45 Hex Bolts Metric DIN 933 Zinc Plated Steel Fasteners for Automotive Machinery

Metric Hex Bolts M5x45
External Hex Head Bolts M5-45
M5-45 Hexagonal Screw
Metric external hexagonal bolts M5*45
Metric Hex Bolts M5x45, External Hex Head Bolts M5-45, high-strength carbon steel with zinc-plated finish, ideal for mechanical assemblies, construction, and automotive applications. M5-45 Hexagonal Screw features ISO 4014 standard dimensions, 45mm length, and ISO 898-1 grade 8.8 strength. Durable, corrosion-resistant, and compatible with standard M5 nuts. Precision-engineered for secure fastening in industrial equipment, machinery, and structural frameworks.
Categories:Fasteners & Fixings
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Product Description

The Metric Hex Bolts M5x45 (also known as External Hex Head Bolts M5-45 or M5-45 Hexagonal Screw) are precision-engineered fasteners with a 5mm diameter and 45mm shank length, featuring a standard hexagonal head for secure wrench engagement. Designed for robust mechanical assembly, these bolts are typically constructed from high-grade steel or stainless steel, offering a tensile strength up to 8.8 grade or higher, and may include corrosion-resistant coatings like zinc plating. Ideal for machinery, automotive, and structural applications, they operate reliably in environments ranging from -30°C to +120°C. Advantages include high shear resistance, standardized compatibility, and ease of installation in accessible spaces, though their size may limit use in compact designs. Surface treatments enhance durability against moisture and chemicals, making them suitable for industrial or outdoor settings.
Parameter Specification
Product Model Metric Hex Bolts M5x45, External Hex Head Bolts M5-45, M5-45 Hexagonal Screw
Thread Size M5 (5mm nominal diameter)
Length 45 mm (underhead measurement)
Head Type External Hexagon (Hex Head)
Thread Pitch 0.8 mm (standard coarse thread)
Material Grade Class 4.8, 8.8, or as customized
Surface Finish Zinc-plated, Black Oxide, or Plain
Standards ISO 4014, DIN 931, ASTM A325M
Hex Key Size 8 mm (wrench engagement size)
Torque Value 8.8 Nm (for Class 8.8 grade)
Across Flats 8.0 mm ±0.1mm
Head Height 3.5 mm ±0.2mm
Thread Length 20 mm (minimum full thread)
question:Why can other suppliers source discontinued models we can't provide?
answer:Some suppliers use aged inventory or unauthorized channels, which we avoid to ensure product quality compliance.
question:What shipping methods do you support?
answer:We offer DHL, Fedex, UPS, and select optimal carriers based on destination to ensure timely delivery.
question:Why are brand labels removed from received products?
answer:Label removal complies with IP regulations or brand authorization policies, standard practice for OEM/ODM orders.
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:Why can other suppliers source discontinued models we can't provide?
answer:Some suppliers use aged inventory or unauthorized channels, which we avoid to ensure product quality compliance.
question:What shipping methods do you support?
answer:We offer DHL, Fedex, UPS, and select optimal carriers based on destination to ensure timely delivery.
question:Why are brand labels removed from received products?
answer:Label removal complies with IP regulations or brand authorization policies, standard practice for OEM/ODM orders.
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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