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Home Product Metric external hexagonal bolts M4*8 | Stainless Steel Hex Bolts DIN933, Auto, Construction, Machinery Parts
Metric external hexagonal bolts M4*8

Metric external hexagonal bolts M4*8 | Stainless Steel Hex Bolts DIN933, Auto, Construction, Machinery Parts

M4x8 metric hex bolt
Metric external hex bolt M4
Hex head screw M4x8
Metric external hexagonal bolts M4*8
M4x8 metric hex bolt with external hexagonal head. This Metric external hex bolt M4 and Hex head screw M4x8 provides durable fastening solutions, designed with precise M4x8 thread dimensions for versatile industrial and mechanical applications.
Categories:Fasteners & Fixings
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Product Description

The M4x8 metric hex bolt, also known as a Metric external hex bolt M4 or Hex head screw M4x8, is a standardized fastener with a 4mm thread diameter and 8mm shank length. It features a 7mm hexagonal head compatible with standard 7mm wrenches. Typically manufactured in steel (grade 8.8) or stainless steel (A2/A4), it offers tensile strengths up to 800 MPa. This bolt operates in industrial temperature ranges (-50°C to +150°C) without electrical specifications. Its zinc-plated or galvanized surface ensures corrosion resistance for automotive, machinery, and electronics assembly applications. Advantages include high shear resistance and standardized sizing, though installation requires precise torque control. No embedded electronics, power sources, or sensors are present in this purely mechanical component.
Parameter Specification
Thread Size M4 (Metric)
Length 8 mm
Head Style External Hexagonal (Hex Head)
Material Carbon Steel/Stainless Steel (A2-70)
Surface Treatment Zinc Plated/Plain
Strength Grade Class 8.8/Class A2-70
Hex Key Size 7 mm across flats
Thread Pitch 0.7 mm
Standard DIN 931/ISO 4014
Drive Type Hex Socket/External Hex Drive
Tolerance 6g per ISO 965-1
Hex Head Height 3.2 mm
question:Can the company ensure stable supply?
answer:Yes, we maintain consistent production and reliable inventory management.
question:Does the company have a professional product selection engineering team?
answer:Yes, our expert team selects products based on market trends and quality.
question:Why are service charges applied?
answer:Service charges cover transaction processing, logistics coordination, and quality assurance.
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:Can the company ensure stable supply?
answer:Yes, we maintain consistent production and reliable inventory management.
question:Does the company have a professional product selection engineering team?
answer:Yes, our expert team selects products based on market trends and quality.
question:Why are service charges applied?
answer:Service charges cover transaction processing, logistics coordination, and quality assurance.
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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