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Home Product M4.2*40-2# Stainless Steel Hex Socket Screw, DIN 912 Metric Fastener for Machinery & Automotive
M4.2*40-2#

M4.2*40-2# Stainless Steel Hex Socket Screw, DIN 912 Metric Fastener for Machinery & Automotive

M4.2x40 screws
M4.2 machine screws
40mm fasteners 2#
M4.2*40-2#
M4.2x40-2# machine screws, precision-engineered M4.2x40 screws for industrial and DIY applications. These 40mm fasteners (2# grade) feature durable construction, standard threading, and compatibility with M4.2 hardware systems. Ideal for secure mechanical assemblies requiring reliable M4.2 machine screws in automotive, electronics, or machinery projects.
Categories:Fasteners & Fixings
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Product Description

The M4.2*40-2# is a precision-engineered fastener designed for robust industrial applications, featuring M4.2x40 screws with a 40mm shaft length and standard machine thread geometry. These M4.2 machine screws are compatible with pre-tapped modules or components requiring high-tensile fastening in environments with operating temperatures ranging from -20°C to +120°C. Commonly used in machinery assembly, automotive systems, and electronics enclosures, these 40mm fasteners provide reliable connectivity for structural components. Crafted from corrosion-resistant steel, they ensure durability under mechanical stress. While ideal for compact installations due to their slim M4.2 diameter, their smaller size may limit load capacity in extreme-force scenarios. Compatible with standard hex keys, these fasteners simplify installation without specialized tools, though proper torque calibration is critical to prevent thread stripping. Their compatibility with automated assembly systems makes them suitable for high-volume production lines.
Parameter Specification
Product Type M4.2x40 screws / M4.2 machine screws
Thread Diameter 4.2mm (M4.2)
Fastener Length 40mm (full thread)
Thread Pitch 0.7mm (standard coarse)
Head Style Pan head with cross recess
Material Grade Carbon steel Class 4.8
Surface Finish Zinc-plated (2-5μm)
Drive Type Phillips #2
Standards Compliance DIN 7985 / ISO 7046
Application General-purpose 40mm fasteners
question:Why are the labels removed from the received goods?
answer:Labels may be removed during logistics handling or as part of standard production processes. Contact us for resolution.
question:Can the company ensure stable supply?
answer:Yes, we maintain reliable production chains and efficient inventory management to ensure consistent supply stability.
question:What is the warranty policy?
answer:Warranty covers material/workmanship defects within a specified period, offering repair/replacement for eligible products.
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 are the labels removed from the received goods?
answer:Labels may be removed during logistics handling or as part of standard production processes. Contact us for resolution.
question:Can the company ensure stable supply?
answer:Yes, we maintain reliable production chains and efficient inventory management to ensure consistent supply stability.
question:What is the warranty policy?
answer:Warranty covers material/workmanship defects within a specified period, offering repair/replacement for eligible products.
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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