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Home Product M8x140 Stainless Steel Hex Bolt, High Tensile DIN 933 Fastener for Automotive Construction
Hexagon socket and nuts set M8x140

M8x140 Stainless Steel Hex Bolt, High Tensile DIN 933 Fastener for Automotive Construction

metric bolt m8x140
socket head screw m8x140
hex socket screw m8x140
M8x140
High-strength metric bolt M8x140 with socket head design, engineered for precise fastening in machinery, automotive, and industrial applications. This hex socket screw M8x140 combines durable construction with a hex socket drive for secure installation using standard hex keys. Ideal for confined spaces and high-torque requirements. Available in various materials and finishes.
Categories:Fasteners & Fixings
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Product Description

The metric bolt M8x140, also recognized as a socket head screw M8x140 or hex socket screw M8x140, is a precision-engineered fastener with an 8 mm nominal diameter and 140 mm shaft length. Designed with a cylindrical head featuring a hexagonal socket drive, it requires a 6 mm hex key for installation. This screw is manufactured from high-grade steel (grade 12.9 or A2/A4 stainless steel) and typically features a black oxide or plain finish. Operating effectively in temperatures ranging from -50°C to +150°C, it offers a tensile strength up to 1,100 MPa and is widely used in machinery, automotive assembly, and structural applications. Key advantages include compact head design for confined spaces, corrosion resistance, and vibration resistance, though installation demands specialized tools. Compliant with DIN 912/ISO 4762 standards, it supports direct integration with industrial modules via standardized threading and is suitable for high-stress environments requiring reliable torque transmission.
Parameter Specification
Product Designation Metric Bolt M8x140, Socket Head Screw M8x140, Hex Socket Screw M8x140
Nominal Diameter (d) 8 mm
Thread Pitch 1.25 mm (Standard Metric Coarse)
Overall Length (L) 140 mm
Head Style Hex Socket (DIN 912 / ISO 4762)
Drive Type 6 mm Hex Key
Material Grade Class 8.8 / A2-70 / A4-80 (Optional)
Tensile Strength 800 MPa (Class 8.8)
Surface Treatment Zinc Plated / Black Oxide / Plain
Thread Tolerance 6g (External Threads per ISO 965-1)
Head Height 5.3 mm (Standard Hex Socket Head)
question:What is the warranty?
answer:The warranty covers material and workmanship defects, valid for one year from delivery, subject to product registration.
question:Why is a service fee charged?
answer:The service fee covers transaction processing, documentation, and administrative costs associated with order fulfillment.
question:Does the company provide technical selection services?
answer:Yes, we offer customized technical selection support based on client requirements and project specifications.
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?
answer:The warranty covers material and workmanship defects, valid for one year from delivery, subject to product registration.
question:Why is a service fee charged?
answer:The service fee covers transaction processing, documentation, and administrative costs associated with order fulfillment.
question:Does the company provide technical selection services?
answer:Yes, we offer customized technical selection support based on client requirements and project specifications.
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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