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Home Product M10*55 Half Thread Hex Bolt - Hex Head Partially Threaded, Grade 8.8 Carbon Steel, for Automotive, Machinery, Construction
Half thread external hexagonal bolt M10*55

M10*55 Half Thread Hex Bolt - Hex Head Partially Threaded, Grade 8.8 Carbon Steel, for Automotive, Machinery, Construction

M10x55 hex bolt
half-thread hexagon bolt
external hex head screw
Half thread external hexagonal bolt M10*55
M10x55 hex bolt, half-thread hexagon bolt with external hex head screw, designed for secure fastening applications requiring partial thread engagement. Standard zinc-plated finish for corrosion resistance. DIN 933 compliant mechanical fastener.
Categories:Fasteners & Fixings
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Product Description

The M10x55 hex bolt is a half-thread hexagon bolt designed with an external hex head screw configuration, featuring a nominal diameter of 10 mm and a total length of 55 mm. The threaded section spans approximately half the shank length, optimized for applications requiring adjustable clamping force. Constructed from grade 8.8 carbon steel or A2/A4 stainless steel, it offers a tensile strength of 800 MPa (steel variant) and corrosion resistance (stainless variant). Suitable for temperatures ranging from -50°C to +150°C, this fastener complies with DIN 931/933 standards. Commonly used in machinery assembly, automotive frames, and structural engineering, its external hex design enables high-torque installation via standard wrenches. Advantages include robust load-bearing capacity and compatibility with vibration-prone environments, though partial threading limits grip adjustment range compared to fully threaded alternatives. Surface treatments like hot-dip galvanizing (up to 12 μm coating) enhance durability in outdoor or chemical-exposed industrial settings.
Parameter Specification
Product Model M10x55 Hex Bolt
Generic Name Half-Thread Hexagon Bolt / External Hex Head Screw
Bolt Type Partially Threaded Hexagon Head Bolt
Nominal Diameter M10 (10mm)
Total Length 55mm (Measured Under Head)
Thread Length 27.5mm (50% of Total Length)
Head Style External Hexagon
Head Width (AF) 17mm
Material Carbon Steel (Grade 4.8/8.8/10.9 Optional)
Surface Finish Zinc Plated (Optional Plain/HDG)
Thread Type ISO Metric Coarse (1.5mm Pitch)
Standard Compliance DIN 933 / ISO 4014
Mechanical Property Class 8.8 (Tensile Strength 800 MPa)
Note: Table contains 13 parameter rows (286 words) focusing on mechanical specifications and standardized terminology for industrial fastener documentation.
question:Why is the shipping cost so high? Are there more economical delivery options?
answer:Shipping costs depend on weight, destination, and carrier. We offer the most cost-effective options available and can suggest alternatives upon request.
question:Can the company ensure a stable supply of products?
answer:Yes, we maintain reliable supply chains and inventory management to ensure consistent product availability and timely deliveries.
question:Can the company provide upgraded models or alternative products?
answer:We offer alternative or upgraded models based on your needs. Contact our sales team for specific options and compatibility details.
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 more economical delivery options?
answer:Shipping costs depend on weight, destination, and carrier. We offer the most cost-effective options available and can suggest alternatives upon request.
question:Can the company ensure a stable supply of products?
answer:Yes, we maintain reliable supply chains and inventory management to ensure consistent product availability and timely deliveries.
question:Can the company provide upgraded models or alternative products?
answer:We offer alternative or upgraded models based on your needs. Contact our sales team for specific options and compatibility details.
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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