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Home Product M8*80 Half Thread External Hexagonal Bolt - Partial Thread Hex Head Bolt, High-Strength Zinc-Plated Fastener
Half thread external hexagonal bolt M8*80

M8*80 Half Thread External Hexagonal Bolt - Partial Thread Hex Head Bolt, High-Strength Zinc-Plated Fastener

M8x80 half thread hex bolt
External hexagon bolt M8x80
Half threaded hex bolt M8x80
Half thread external hexagonal bolt M8*80
M8x80 half thread hex bolt, also called External hexagon bolt M8x80, combines partial threading with hexagonal head for secure fastening. This half threaded hex bolt M8x80 features durable steel construction, precise M8x80 sizing, and versatile application in machinery, automotive, and structural assemblies.
Categories:Fasteners & Fixings
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Product Description

The M8x80 half thread hex bolt is a robust External hexagon bolt M8x80 designed for industrial fastening applications. With a total length of 80mm and M8 thread diameter, it features a half-threaded shank (partial threading length typically 40mm) and a full hexagonal head for tool engagement. Manufactured from grade 8.8 carbon steel or stainless steel (A2/A4 variants), it offers tensile strength up to 800MPa and operates in temperature ranges of -50°C to +120°C (standard steel) or -80°C to +400°C (stainless variants). This Half threaded hex bolt M8x80 is widely used in machinery assembly, structural frameworks, and automotive components due to its vibration resistance and dual-function design - threaded portion for secure fastening and smooth shank for alignment. Surface treatments include zinc plating (5-8μm) or hot-dip galvanizing (50-80μm) for corrosion protection. While excelling in shear and tensile load distribution, its limited thread engagement requires precise installation torque (typically 20-25Nm for steel versions). Standard compliance includes DIN 933/931 specifications.
ParameterSpecification
Product TypeM8x80 Half Thread Hex Bolt
Nominal DiameterM8 (8mm)
Thread Length40mm
Total Length80mm
Head TypeExternal Hexagon
Thread TypePartial/Unified Thread
Material GradeCarbon Steel Grade 8.8
Surface FinishGalvanized (Zn Plated)
StandardISO 4014 / DIN 931
Torque Capacity20-22 Nm
Thread Pitch1.25mm (Coarse Thread)
Shank TypeSmooth Ungrooved
question:Why is a service fee charged?
answer:Service fees cover transaction processing, secure payments, and operational support to ensure smooth global trade.
question:How are refurbished product malfunctions handled?
answer:Verified refurbished malfunctions receive full replacements or refunds, with dedicated technical support for resolution.
question:Do you offer technical selection services?
answer:Yes, we provide expert technical consultation to optimize product choices based on your market requirements.
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 a service fee charged?
answer:Service fees cover transaction processing, secure payments, and operational support to ensure smooth global trade.
question:How are refurbished product malfunctions handled?
answer:Verified refurbished malfunctions receive full replacements or refunds, with dedicated technical support for resolution.
question:Do you offer technical selection services?
answer:Yes, we provide expert technical consultation to optimize product choices based on your market requirements.
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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