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Home Product M4*140-2# High-Strength Stainless Steel Fastener Bolt | BrandX Series Heavy-Duty Screw for Machinery & Construction
M4*140-2#

M4*140-2# High-Strength Stainless Steel Fastener Bolt | BrandX Series Heavy-Duty Screw for Machinery & Construction

M4*140-2# fastener
M4 screws 140mm length
2# series bolts
M4*140-2#
M4*140-2# fastener, high-strength steel M4 screws with 140mm length, part of 2# series bolts. Designed for structural fastening in machinery, electronics, and industrial applications. Zinc-plated corrosion resistance, 4mm diameter, precision threading for secure assembly.
Categories:Fasteners & Fixings
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Product Description

The M4*140-2# fastener is a precision-engineered threaded bolt designed for high-load industrial applications, featuring M4 screws with 140mm length and compliance with the 2# series bolts standard. Constructed from corrosion-resistant steel, it offers a tensile strength of 8.8 grade and operates reliably in temperature ranges from -30°C to +150°C. Ideal for machinery assembly, automotive frameworks, and structural installations, this fastener ensures secure connections in vibration-prone environments. Its zinc-plated surface enhances durability against moisture and chemical exposure. Key advantages include uniform threading for seamless compatibility with standard nuts, while potential drawbacks include limited suitability for ultra-high-temperature scenarios exceeding 150°C. The extended shaft length allows for deep-thread engagement in thick materials, supporting robust mechanical stability.
Parameter Specification
Product Code M4*140-2# Fastener
Thread Size M4 Metric Coarse Thread
Nominal Length 140 mm
Series Designation 2# Series Bolts
Material Grade Carbon Steel Class 4.8
Thread Pitch 0.7 mm
Head Style Hexagonal Head
Drive Type External Hex Drive
Surface Finish Zinc-Plated (5-8μm)
Tensile Strength 420 MPa min
Thread Tolerance 6g per ISO 965-1
Corrosion Protection 48h Salt Spray Resistance
Compliance Standards DIN 933, ISO 4014
Thread Engagement Fully Threaded Shank
question:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of engineers specializing in product research and quality assessment.
question:Why are service fees charged?
answer:Service fees cover payment processing, logistics coordination, and customer support to ensure smooth transactions.
question:Do you accept payment after shipment?
answer:We require prepayment for initial orders. Post-shipment payment terms may apply for established partners.
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:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of engineers specializing in product research and quality assessment.
question:Why are service fees charged?
answer:Service fees cover payment processing, logistics coordination, and customer support to ensure smooth transactions.
question:Do you accept payment after shipment?
answer:We require prepayment for initial orders. Post-shipment payment terms may apply for established partners.
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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