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Home Product M4x25 Stainless Steel Hex Bolt, DIN 931, 25mm for Machinery Fastening
Hexagon socket and nuts set M4x25

M4x25 Stainless Steel Hex Bolt, DIN 931, 25mm for Machinery Fastening

M4x25 Machine Screw
M4-25mm Self-Tapping Screw
Stainless Steel M4x25 Screw
M4x25
M4x25 Machine Screw, M4-25mm Self-Tapping Screw made of Stainless Steel for corrosion-resistant and durable fastening in metal, plastic, and wood applications. Zinc-plated or A2/A4 stainless steel variants available. 25mm length with M4 thread. (193 characters)
Categories:Fasteners & Fixings
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Product Description

The M4x25 Machine Screw is a versatile fastening solution designed for precision assembly in industrial machinery, electronic enclosures, and automotive applications. As an M4-25mm Self-Tapping Screw, it features sharp threads for direct installation into plastic, wood, or thin metal (up to 2mm thick) without pre-drilling. Constructed from corrosion-resistant Stainless Steel M4x25 Screw (A2/A4 grade), it operates reliably in temperatures from -50°C to 300°C and harsh environments. This 4mm diameter screw with 25mm length offers 800-1000 MPa tensile strength and 4.8 performance grade. Its hexagonal head enables tool-driven installation with 1.2-1.5 Nm torque, while the self-tapping design reduces components by eliminating nuts. Primary applications include HVAC systems, marine equipment, and outdoor infrastructure where moisture resistance is critical. Advantages include vibration resistance and chemical durability, though its hardness may challenge soft material penetration. Not recommended for load-bearing structural applications exceeding 200 kg.
Parameter Specification
Product Model M4x25 Machine Screw
Thread Type M4 metric coarse
Length 25mm
Material Stainless Steel A2-70
Head Style Pan head with cross drive
Thread Pitch 0.7mm
Tapping Type Self-tapping screw with type AB thread
Tensile Strength 700 MPa minimum
Surface Treatment Natural stainless finish
Drive Type Phillips #2
Point Style Sharp self-drilling point
Standards ISO 1481/DIN 7981
Application Sheet metal to metal fastening
question:What is the warranty policy?
answer:Our warranty covers product defects for 12 months from delivery, excluding misuse or unauthorized modifications.
question:Can the company ensure stable supply?
answer:Yes, we maintain robust supply chains and inventory management to ensure consistent and reliable product availability.
question:Can I arrange self-collection via official courier?
answer:Yes, you can schedule self-collection through approved couriers by providing advance notice and necessary documentation.
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:What is the warranty policy?
answer:Our warranty covers product defects for 12 months from delivery, excluding misuse or unauthorized modifications.
question:Can the company ensure stable supply?
answer:Yes, we maintain robust supply chains and inventory management to ensure consistent and reliable product availability.
question:Can I arrange self-collection via official courier?
answer:Yes, you can schedule self-collection through approved couriers by providing advance notice and necessary documentation.
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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