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Home Product M20x200 External Hex Head Bolt DIN 933 Grade 8.8 Full Thread High Strength Zinc Plated Heavy Duty Fastener
Half thread external hexagonal bolt M20*200

M20x200 External Hex Head Bolt DIN 933 Grade 8.8 Full Thread High Strength Zinc Plated Heavy Duty Fastener

M20*200 Half Thread Hex Bolt
External Hex Head Bolt M20x200
Partially Threaded M20 Bolt 200
Half thread external hexagonal bolt M20*200
Categories:Fasteners & Fixings
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Product Description

The M20*200 Half Thread Hex Bolt is a partially threaded M20 bolt with a 200mm length, featuring an external hex head design for secure tool engagement during installation. This External Hex Head Bolt M20x200 combines a smooth shank (non-threaded segment) and threaded portion optimized for applications requiring precise clamping force distribution. Constructed from grade 8.8 carbon steel or optional stainless steel, it offers a tensile strength of 800 MPa minimum. The partial threading allows adjustment in joint thickness while maintaining structural stability, typically applied in heavy machinery assembly, structural engineering, and industrial equipment. Operating temperature ranges from -50°C to +300°C with appropriate material selection. Advantages include vibration resistance and simplified alignment, though the reduced thread engagement area requires careful torque calculation. Surface treatments include hot-dip galvanizing or zinc plating for corrosion resistance in harsh environments. The 32mm hex head accepts standard 30mm wrench sizes, with thread pitch conforming to ISO 898-1 coarse thread standards. This Partially Threaded M20 Bolt 200 is particularly effective in load-bearing joints where both shear strength and tension control are critical.
Parameter Specification
Product NameHalf Thread External Hexagonal Bolt
DesignationM20x200 Half Thread Hex Bolt
Head TypeExternal Hex Head
Thread TypeMetric Coarse (ISO 898-1)
Nominal DiameterM20
Thread Length70 mm
Overall Length200 mm
Thread Pitch2.5 mm
MaterialCarbon Steel Grade 8.8
Surface TreatmentZinc Plated (ISO 4042)
Hex Head Size30 mm (Across Flats)
Head Height12.5 mm
StandardsDIN 931, ISO 4014, ASTM A325
Threaded PortionPartially Threaded (50-70% of Length)
question:Can I arrange my own official courier for pickup?
answer:Yes, you can arrange your own courier. Please provide pickup details in advance for smooth coordination.
question:Why is a service fee charged?
answer:The service fee covers order processing, logistics coordination, and administrative support to ensure seamless transactions.
question:Why can others source discontinued models we cannot?
answer:Suppliers may access limited leftover stock or alternative channels not available through our standard supply chain.
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 I arrange my own official courier for pickup?
answer:Yes, you can arrange your own courier. Please provide pickup details in advance for smooth coordination.
question:Why is a service fee charged?
answer:The service fee covers order processing, logistics coordination, and administrative support to ensure seamless transactions.
question:Why can others source discontinued models we cannot?
answer:Suppliers may access limited leftover stock or alternative channels not available through our standard supply chain.
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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