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Home Product Metric External Hexagonal Bolts M12*85 High-Strength Galvanized Hex Head Fasteners Grade 8.8 DIN 933
Metric external hexagonal bolts M12*85

Metric External Hexagonal Bolts M12*85 High-Strength Galvanized Hex Head Fasteners Grade 8.8 DIN 933

Metric hex bolts M12x85
External hex head bolts M12
M12x85 metric bolts
Metric external hexagonal bolts M12*85
Metric hex bolts M12x85 with external hex head, also known as M12x85 metric bolts or external hex head bolts M12. Made from high-strength steel, zinc-plated for corrosion resistance. Suitable for automotive, construction, and machinery applications. Complies with DIN/ISO standards.
Categories:Fasteners & Fixings
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Product Description

The Metric external hexagonal bolts M12x85, also referred to as External hex head bolts M12 or M12x85 metric bolts, are precision-engineered fasteners with a 12mm nominal diameter and 85mm shank length. Designed for structural integrity, these bolts feature a hexagonal head for tool engagement and are commonly manufactured from high-tensile steel (grade 8.8/10.9) or corrosion-resistant stainless steel (A2/A4). Typical applications span automotive assembly, industrial machinery, and construction sectors due to their load-bearing capacity. Operating temperature ranges from -30°C to +150°C, with zinc-plated or hot-dip galvanized coatings for environmental protection. Advantages include standardized ISO compliance for cross-industry compatibility and vibration resistance, though proper torque calibration is critical during installation. As purely mechanical components, they do not incorporate electrical inputs, outputs, communication interfaces, batteries, or display systems.
Parameter Specification
Product Type Metric External Hexagonal Bolts
Designation M12x85 Hex Head Bolt
Thread Diameter 12 mm (M12)
Shank Length 85 mm
Thread Pitch 1.75 mm (Standard coarse thread)
Head Style External Hexagonal
Head Height 7.5 mm ±0.3
Head Width 18 mm (Across Flats)
Material Grade Class 8.8 Steel / A2/A4 Stainless Steel
Surface Treatment Zinc Plated/Geomet/Dacromet
Torque Value 92 N·m (Lubricated, Class 8.8)
Thread Engagement ≥1.0d (12 mm minimum)
Standards Compliance ISO 4014 / DIN 931 / ASTM A325M
Thread Tolerance 6g per ISO 965-1
Proof Load 830 MPa (Class 8.8)
Application Environment General Construction, Machinery, Structural
question:Why is the shipping cost so high? Are there more economical options available?
answer:Shipping costs depend on destination and product size/weight. We offer flexible solutions based on your needs.
question:Do you accept payment after delivery?
answer:Standard terms require upfront payment, but flexible arrangements can be discussed for long-term partnerships.
question:Do you have a professional product selection engineering team?
answer:Yes, our expert team ensures high-quality product sourcing and customization to meet market demands.
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 options available?
answer:Shipping costs depend on destination and product size/weight. We offer flexible solutions based on your needs.
question:Do you accept payment after delivery?
answer:Standard terms require upfront payment, but flexible arrangements can be discussed for long-term partnerships.
question:Do you have a professional product selection engineering team?
answer:Yes, our expert team ensures high-quality product sourcing and customization to meet market demands.
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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