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Home Product M4.2*18-2# Stainless Steel Machine Screw, High-Tensile Fastener, Electronics Hardware
M4.2*18-2#

M4.2*18-2# Stainless Steel Machine Screw, High-Tensile Fastener, Electronics Hardware

M4.2x18-2# screws
M4.2 threaded bolts
18mm metric fasteners
M4.2*18-2#
M4.2x18-2# screws, M4.2 threaded bolts, 18mm metric fasteners for precision mechanical/electronic applications. Zinc-plated steel with high tensile strength, ISO/DIN compliant, durable corrosion resistance. Ideal for industrial assembly, automotive components, and machinery fixtures.
Categories:Fasteners & Fixings
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Product Description

The M4.2*18-2# model comprises precision-engineered M4.2x18-2# screws, designed as durable M4.2 threaded bolts for robust fastening applications. These 18mm metric fasteners feature a standard pitch compatible with industrial-grade components, supporting direct integration into mechanical assemblies requiring high tensile strength (up to 8.8 grade) and corrosion resistance. Ideal for automotive, aerospace, and machinery sectors, they operate reliably within -40°C to +120°C, accommodating vibration-prone environments. The screws' 18mm shank length ensures secure mounting for compact modules or enclosures, while their zinc-plated surface enhances longevity in humid conditions. Though optimized for load-bearing joints, their limited thermal tolerance beyond 120°C restricts extreme-heat usage. No integrated electronics, power, or sensors; purely mechanical components for structural fixation.
Parameter Specification
Thread Designation M4.2x18-2# screws
Thread Diameter 4.2mm (M4.2 threaded bolts standard)
Length Under Head 18mm metric fasteners length dimension
Thread Pitch 0.7mm coarse pitch
Thread Tolerance 6g class tolerance for general applications
Drive Type Hex socket drive (internal wrenching)
Material Grade Stainless Steel A2-70 (ISO 3506 standard)
Surface Finish Natural mechanical finish (Ra 3.2μm max)
Head Style DIN 912 standard flat countersunk head
Proof Load 450MPa minimum tensile strength
question:Why is the shipping cost so high? Are there any cheaper delivery options?
answer:Shipping costs depend on carrier rates and package specifics. We offer economy options like sea freight or regional couriers for lower rates upon request.
question:What happens if a product malfunctions and is found to be refurbished?
answer:We provide repair, replacement, or refund based on issue severity. Contact us with order details, and we'll coordinate with the courier for liability terms.
question:How is the after-sales handled for refurbished items with issues?
answer:For refurbished items with faults, we offer repair, replacement, or refund. Share order details, and we'll negotiate liability with the courier.
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 is the shipping cost so high? Are there any cheaper delivery options?
answer:Shipping costs depend on carrier rates and package specifics. We offer economy options like sea freight or regional couriers for lower rates upon request.
question:What happens if a product malfunctions and is found to be refurbished?
answer:We provide repair, replacement, or refund based on issue severity. Contact us with order details, and we'll coordinate with the courier for liability terms.
question:How is the after-sales handled for refurbished items with issues?
answer:For refurbished items with faults, we offer repair, replacement, or refund. Share order details, and we'll negotiate liability with the courier.
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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