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Home Product M8x25 Metric Hex Head Bolt DIN 933 Grade 8.8 Zinc Plated Machinery Construction
Metric external hexagonal bolts M8*25

M8x25 Metric Hex Head Bolt DIN 933 Grade 8.8 Zinc Plated Machinery Construction

M8x25 hex head bolts
metric external hex screws M8
8mm external hexagonal bolts
Metric external hexagonal bolts M8*25
M8x25 hex head bolts, metric external hex screws M8, and 8mm external hexagonal bolts with full thread. Compliant with DIN 933/ISO 4014 standards.
Categories:Fasteners & Fixings
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Product Description

The M8x25 hex head bolts are metric external hex screws with a nominal diameter of 8mm and a length of 25mm, designed for precision fastening in mechanical assemblies. These 8mm external hexagonal bolts feature a standard hex head for tool compatibility, ideal for applications requiring high torque transmission. They typically comply with ISO 4017/DIN 933 standards, offering a tensile strength of 8.8 grade (minimum 800 MPa) and surface treatments like zinc plating or galvanization for corrosion resistance. Suitable for environments with temperatures ranging from -50°C to +120°C, these bolts are widely used in automotive, machinery, and structural engineering industries. Key advantages include standardized sizing, robust load-bearing capacity, and broad industry compatibility, though they require proper torque calibration to prevent thread stripping. Parameters like battery capacity, screen size, or communication interfaces are not applicable as purely mechanical components.
Parameter Specification
Product Designation M8x25 hex head bolts
Metric external hex screws M8
8mm external hexagonal bolts
Thread Size M8 (8mm diameter)
Length (Shank) 25mm
Thread Pitch 1.25mm (Metric coarse)
Head Style External hexagonal
Head Height 5.3mm±0.3mm
Wrench Size 13mm
Material Grade Carbon steel 8.8/10.9
Stainless steel A2-70/A4-80
Surface Treatment Zinc-plated
Dacromet
Black oxide
Standards Compliance ISO 4014
DIN 933
ASME B18.2.1
Proof Load 800 MPa (Grade 8.8)
1000 MPa (Grade 10.9)
question:Why is there a service fee?
answer:Service fees cover processing, logistics coordination, and administrative costs to ensure smooth operations.
question:Can I schedule official carrier pickup myself?
answer:No, carrier pickup is arranged by our team to ensure compliance with shipping protocols and documentation.
question:Why are product labels removed upon delivery?
answer:Labels are removed per brand policies to prevent resale restrictions in unauthorized markets.
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 there a service fee?
answer:Service fees cover processing, logistics coordination, and administrative costs to ensure smooth operations.
question:Can I schedule official carrier pickup myself?
answer:No, carrier pickup is arranged by our team to ensure compliance with shipping protocols and documentation.
question:Why are product labels removed upon delivery?
answer:Labels are removed per brand policies to prevent resale restrictions in unauthorized markets.
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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