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Home Product M8*45 Metric Hex Head Bolt External Hexagon Screw, Stainless Steel DIN 933 Grade 8.8, Automotive Machinery Fastener
Metric external hexagonal bolts M8*45

M8*45 Metric Hex Head Bolt External Hexagon Screw, Stainless Steel DIN 933 Grade 8.8, Automotive Machinery Fastener

M8x45 hex bolts
Metric external hex bolts
M8 metric hex bolts
Metric external hexagonal bolts M8*45
M8x45 hex bolts, metric external hex bolts with zinc-plated finish, designed for durable fastening in machinery, automotive, and construction applications. These M8 metric hex bolts meet ISO/DIN standards, ensuring precise threading and corrosion resistance for industrial use.
Categories:Fasteners & Fixings
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Product Description

The M8x45 hex bolts are part of the Metric external hex bolts series, designed as standard fasteners with an M8 thread diameter and 45mm length. These M8 metric hex bolts typically conform to DIN 931/933 standards, featuring a 13mm hexagonal head width and a tensile strength class of 8.8 or higher. Suitable for general industrial applications including machinery assembly, automotive components, and structural frameworks, they offer reliable clamping force with zinc-plated or hot-dip galvanized surface treatments for corrosion resistance. Operating effectively in temperatures ranging from -50°C to +150°C, these bolts excel in environments requiring moderate vibration resistance but may require additional locking mechanisms in high-stress scenarios. Their standardized dimensions ensure compatibility with M8 nuts and pre-tapped holes across industrial equipment.
Parameter Specification
Product Model M8x45 Hex Bolts
Thread Size M8 (Metric)
Length 45 mm
Head Style External Hexagon Head
Hex Size 13 mm (Across Flats)
Material Carbon Steel / Stainless Steel A2-70
Surface Treatment Zinc Plated / Plain
Thread Pitch 1.25 mm (Standard Coarse Thread)
Thread Standards ISO 898-1 / DIN 931
Tensile Strength ≥800 MPa (Grade 8.8)
Hardness 22-32 HRC (Carbon Steel)
DIN/ISO Standard DIN 931 / ISO 4014
Finish Electro-galvanized or Black Oxide
Corrosion Resistance High (Stainless Steel Option)
Coating Thickness 5-8 μm (Zinc Plated)
question:Why is the shipping cost so high? Are there more economical delivery options?
answer:Shipping costs vary by carrier, weight, and destination. We offer multiple options; contact us to discuss the most cost-effective solution for your needs.
question:Do you accept payment after delivery?
answer:Standard practice requires upfront payment, but we may consider flexible terms for trusted clients. Please discuss your requirements with our sales team.
question:How long does international shipping typically take?
answer:Delivery times range from 3-15 business days depending on carrier and destination. Contact us for expedited or budget-friendly options with estimated timelines.
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 the shipping cost so high? Are there more economical delivery options?
answer:Shipping costs vary by carrier, weight, and destination. We offer multiple options; contact us to discuss the most cost-effective solution for your needs.
question:Do you accept payment after delivery?
answer:Standard practice requires upfront payment, but we may consider flexible terms for trusted clients. Please discuss your requirements with our sales team.
question:How long does international shipping typically take?
answer:Delivery times range from 3-15 business days depending on carrier and destination. Contact us for expedited or budget-friendly options with estimated timelines.
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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