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Home Product M20x65 Half Thread External Hex Bolt, Hex Head Screw, Partial Thread, High Tensile Steel, Zinc Plated, for Machinery Construction Automotive
Half thread external hexagonal bolt M20*65

M20x65 Half Thread External Hex Bolt, Hex Head Screw, Partial Thread, High Tensile Steel, Zinc Plated, for Machinery Construction Automotive

half thread hex bolt M20x65
external hex bolt M20x65
M20x65 half thread hex bolt
Half thread external hexagonal bolt M20*65
Half thread hex bolt M20x65, external hex bolt M20x65, M20x65 half thread hex bolt with external hexagonal head and partially threaded shank for durable fastening. Precision-engineered for industrial applications.
Categories:Fasteners & Fixings
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Product Description

The half thread hex bolt M20x65 is a high-strength fastening component designed for robust structural connections in heavy-duty industrial applications. This external hex bolt M20x65 features a partially threaded shank with a 65mm length, 20mm nominal diameter, and a full 19mm thread length under the head. Manufactured from Grade 8.8 carbon steel or optional A2/A4 stainless steel, it offers tensile strength up to 800 MPa and proof load capacity of 640 MPa. The M20x65 half thread hex bolt operates within -50°C to +300°C temperature range, with hot-dip galvanized or Dacromet coating available for enhanced corrosion resistance in marine environments. Widely used in construction, machinery assembly, wind turbine installations, and transportation equipment, its hexagonal head allows 30mm wrench engagement for secure torque applications up to 413 Nm. The partial threading design provides optimal shear resistance while maintaining clamping force in dynamic load conditions. Key advantages include vibration resistance and compatibility with standard M20 nuts, though precise torque control is required during installation to prevent thread deformation. Surface finishes meet ISO 4042 standards for industrial durability.
ParameterSpecification
Product TypeHalf Thread External Hexagonal Bolt
DesignationM20x65
Thread Diameter20 mm
Total Length65 mm
Thread Length25 mm (Partial Thread)
Hex Size (AF)30 mm
Head Height12.7 mm
MaterialCarbon Steel
Strength Grade8.8
Surface FinishZinc Plated
Thread Pitch2.5 mm (ISO Coarse)
Drive TypeExternal Hexagon
Torque Value370 Nm (Class 8.8)
StandardISO 4014 / DIN 933
question:How can I make payment?
answer:We accept TT, PayPal, L/C, and other mainstream payment methods.
question:Can you provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models and can discuss options upon request.
question:Do you accept payment after delivery?
answer:Currently, we require payment before shipment as per standard terms.
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:How can I make payment?
answer:We accept TT, PayPal, L/C, and other mainstream payment methods.
question:Can you provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models and can discuss options upon request.
question:Do you accept payment after delivery?
answer:Currently, we require payment before shipment as per standard terms.
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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