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Home Product M4x18x8 DIN 912 Hex Socket Cap Screw, A2-70 Stainless Steel Fastener for Machinery Assembly
Carbon steel thin head screws M4*18*8

M4x18x8 DIN 912 Hex Socket Cap Screw, A2-70 Stainless Steel Fastener for Machinery Assembly

M4x18x8 screws
M4 machine bolts 18mm
8mm head M4 screws
M4*18*8
M4x18x8 screws, M4 machine bolts 18mm length with 8mm head size. Standard metric machine bolts with M4x18mm threaded shank and 8mm hex head for mechanical and industrial applications.
Categories:Fasteners & Fixings
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Product Description

The M4x18x8 screws, also known as M4 machine bolts 18mm long with an 8mm head, are precision-engineered fasteners designed for robust mechanical applications. These M4 screws feature a 4mm diameter shank, 18mm length, and an 8mm hexagonal head, compatible with standard M4 nuts and tools. Ideal for industrial machinery, automotive assemblies, and electronic equipment mounting, they operate reliably in temperatures ranging from -30°C to +120°C. Constructed from grade 8.8 steel with optional corrosion-resistant coatings, they offer high tensile strength up to 800 MPa and shear resistance for vibration-prone environments. While their compact size enables tight-space installations, the 8mm head requires adequate clearance for tool access. These screws excel in securing panels, motors, and structural components but lack electrical insulation properties. Typical applications include CNC equipment, conveyor systems, and renewable energy installations where precision torque (recommended 3-4 Nm) and vibration resistance are critical.
Parameter Specification
Thread Size M4 (Metric coarse thread)
Shank Length 18 mm
Head Diameter 8 mm
Head Type Hexagon head (ISO 4017 compliant)
Drive Type External hex drive
Material Grade Class 8.8 steel
Thread Pitch 0.7 mm
Surface Finish Zinc-plated
Applications General machinery, equipment assembly
Standards DIN 933 / ISO 4017
Torque Specification 3.0 N·m (dry thread)
Tensile Strength 800 MPa minimum
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Can you ensure stable supply?
answer:Absolutely, we guarantee a stable and reliable supply chain.
question:Do you accept payment after delivery?
answer:No, we require full payment before shipping goods.
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 payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Can you ensure stable supply?
answer:Absolutely, we guarantee a stable and reliable supply chain.
question:Do you accept payment after delivery?
answer:No, we require full payment before shipping goods.
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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