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Home Product M6*140 Half Thread External Hex Bolt High-Strength Galvanized Steel for Machinery Construction
Half thread external hexagonal bolt M6*140

M6*140 Half Thread External Hex Bolt High-Strength Galvanized Steel for Machinery Construction

M6 half-thread hex bolt
M6x140mm hex bolt
Half-thread hex bolt 140mm
Half thread external hexagonal bolt M6*140
M6 half-thread hex bolt with partial threading, M6x140mm hex bolt featuring an external hexagonal head and 140mm length. Half-thread hex bolt 140mm designed for secure fastening in general-purpose applications, combining partial threading for adjustability and full-thread length for enhanced grip. Durable construction with corrosion-resistant materials.
Categories:Fasteners & Fixings
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Product Description

The M6 half-thread hex bolt (M6x140mm hex bolt) is a precision-engineered fastener with a nominal diameter of 6mm and total length of 140mm, featuring a partially threaded shank for combined clamping and alignment functions. This Half-thread hex bolt 140mm incorporates a standard hexagonal head compatible with 10mm wrench sockets, offering a threaded segment length of approximately 70mm and smooth shank portion of equal length. Constructed from grade 8.8 carbon steel with optional zinc-plated or galvanized corrosion protection, it operates effectively in temperatures from -30°C to +120°C. The hybrid design allows simultaneous anchoring and load distribution, making it ideal for machinery assembly, structural frameworks, and automotive applications. Key advantages include vibration resistance through partial thread engagement and simplified installation, though it requires precise torque calibration to prevent under/over-tightening. Typical shear strength ranges between 380-420 MPa depending on material treatment.
Parameter Specification
Product Model M6 half-thread hex bolt
Thread Size M6x1.0
Thread Length Partially threaded (half-thread design)
Total Length 140mm (M6x140mm hex bolt)
Head Type External hexagonal
Head Width 9mm (across flats)
Material Carbon steel (Grade 8.8)
Surface Finish Zinc-plated
Thread Tolerance 6g per ISO 965-1
Tensile Strength 800 MPa min
Yield Strength 640 MPa min
Hardness HRC 22-32
Threaded Section Length 70mm ±2mm (Half-thread hex bolt 140mm)
Unthreaded Shank 70mm ±1mm
Standards Compliance DIN 933 / ISO 4017
Application Structural fastening with partial engagement
question:If a refurbished product malfunctions, how will after-sales service handle it?
answer:We offer free replacement or refund for confirmed refurbished product defects under warranty.
question:Can I self-arrange official courier pickup for returns?
answer:No, returns must be coordinated through our logistics team for tracking and eligibility.
question:Does the company have a professional product selection engineer team?
answer:Yes, our expert team ensures optimal product quality and market compatibility.
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:If a refurbished product malfunctions, how will after-sales service handle it?
answer:We offer free replacement or refund for confirmed refurbished product defects under warranty.
question:Can I self-arrange official courier pickup for returns?
answer:No, returns must be coordinated through our logistics team for tracking and eligibility.
question:Does the company have a professional product selection engineer team?
answer:Yes, our expert team ensures optimal product quality and market compatibility.
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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