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Home Product M20*190 Half Thread Hex Bolt - Partial Thread External Hex Screw, A2-70 Stainless Steel for Construction
Half thread external hexagonal bolt M20*190

M20*190 Half Thread Hex Bolt - Partial Thread External Hex Screw, A2-70 Stainless Steel for Construction

M20x190 external hex bolt
Half threaded hex bolt M20x190
Partially threaded M20x190 bolt
Half thread external hexagonal bolt M20*190
M20x190 external hex bolt, half-threaded hex bolt with partial threading, ISO-standard steel construction for secure industrial fastening applications requiring durable partially threaded M20x190 bolt connections.
Categories:Fasteners & Fixings
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Product Description

The M20x190 external hex bolt is a half-threaded hex bolt featuring a partially threaded shank design with a nominal diameter of 20mm and total length of 190mm. The threaded portion spans approximately 95mm, while the remaining unthreaded 95mm section maintains full shank diameter for alignment stability. Constructed from grade 8.8 carbon steel with zinc plating, it offers a tensile strength of 800 MPa and torque resistance up to 415 N·m. This partially threaded M20x190 bolt operates effectively in temperatures from -50°C to 300°C, commonly used in structural steelwork, heavy machinery assembly, and infrastructure projects requiring combined shear resistance and tensile strength. Key advantages include vibration-resistant threading, corrosion protection, and optimized load distribution. The external hex head accepts standard 30mm wrench size. Limitations include reduced adjustability compared to fully threaded variants. Primary applications span construction, automotive frame assembly, and industrial equipment requiring precise clamp load distribution.
Parameter Specification
Product Designation M20x190 External Hex Bolt / Half Threaded Hex Bolt M20x190
Thread Size M20 (Coarse Thread, 2.5 mm Pitch)
Total Length 190 mm
Threaded Portion Length 95 mm
Non-Threaded Shank 95 mm
Head Type External Hexagonal (Hex Width: 30 mm)
Material Grade Carbon Steel Grade 8.8 / A2-70 Stainless Steel
Tensile Strength 800 MPa (Grade 8.8) / 700 MPa (A2-70)
Surface Finish Zinc Plated / Hot-Dip Galvanized / Plain
Standards Compliance ISO 4014, DIN 931, ASME B18.2.1
Hex Key Size 30 mm (Standard)
Recommended Torque 450-500 Nm (Lubricated)
question:Why are the labels removed from the products we received?
answer:Labels are occasionally removed per manufacturer's policies to protect distribution channels. Rest assured, products are genuine, quality-certified, and fully functional. We verify authenticity and resolve any concerns promptly.
question:Why choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier for 20+ years, we guarantee reliable quality, prioritize reputation, and sustain 85% repeat clients through consistent service excellence.
question:What sets your company apart from competitors?
answer:With two decades of expertise, we’re Asia’s trusted automation partner. Our proven reliability, strict quality control, and 85% repeat business reflect unwavering client trust.
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 are the labels removed from the products we received?
answer:Labels are occasionally removed per manufacturer's policies to protect distribution channels. Rest assured, products are genuine, quality-certified, and fully functional. We verify authenticity and resolve any concerns promptly.
question:Why choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier for 20+ years, we guarantee reliable quality, prioritize reputation, and sustain 85% repeat clients through consistent service excellence.
question:What sets your company apart from competitors?
answer:With two decades of expertise, we’re Asia’s trusted automation partner. Our proven reliability, strict quality control, and 85% repeat business reflect unwavering client trust.
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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