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Home Product M12*30 Metric External Hex Bolt, Hex Head Cap Screw, High-Strength, Zinc-Plated, Automotive, Construction, DIN 933
Metric external hexagonal bolts M12*30

M12*30 Metric External Hex Bolt, Hex Head Cap Screw, High-Strength, Zinc-Plated, Automotive, Construction, DIN 933

metric hex bolts
M12 bolt 30mm
external hexagon bolts
Metric external hexagonal bolts M12*30
Metric hex bolts, M12 bolt 30mm length, high-strength external hexagon bolts with zinc-plated finish. Precision-engineered steel fasteners for industrial applications. DIN/ISO compliant external hexagon bolts with full thread. Compatible with standard M12 nuts. 200 characters
Categories:Fasteners & Fixings
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Product Description

The metric hex bolts, specifically designed as M12 bolt 30mm, feature a standardized external hexagon head for secure fastening with standard wrench tools. These external hexagon bolts are engineered with a diameter of 12mm and a length of 30mm, complying with ISO metric thread specifications (pitch 1.75mm). Constructed from high-grade steel (grade 8.8 or higher), they offer tensile strengths up to 800 MPa, ensuring durability in demanding conditions. Surface treatments like zinc plating or hot-dip galvanizing enhance corrosion resistance, ideal for automotive, machinery, and construction industries. Operating temperature ranges from -50°C to +150°C, accommodating harsh environments. While their hexagonal design ensures reliable torque transmission, improper wrench alignment during installation may risk head rounding. Compatible with M12 nuts and pre-tapped components, they excel in structural assemblies requiring precision and load-bearing stability.
Parameter Specification
Thread Diameter (D) M12 (12 mm)
Thread Length 30 mm (nominal)
Head Style External Hexagon
Head Height 7.5 mm ±0.3 mm
Hexagon Width (A/F) 18 mm
Material Grade Class 8.8 Carbon Steel / A2-70 Stainless Steel
Surface Treatment Zinc Plated (5-8 µm) / Plain
Thread Pitch 1.75 mm (standard coarse)
Torque Capacity 90 Nm (lubricated, Class 8.8)
Proof Load 18.1 kN (Class 8.8)
question:Can we apply for low-value declaration for shipments?
answer:Low-value declaration depends on destination regulations and carrier policies. We'll confirm feasibility upon shipment request.
question:Why are shipping costs so high? Are there more economical options?
answer:Costs vary by weight, size, and service speed. We offer multiple carriers and optimize rates based on your needs.
question:Do you provide technical selection services?
answer:Yes, our experts assist in product specifications and compatibility to ensure optimal solutions for your 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:Can we apply for low-value declaration for shipments?
answer:Low-value declaration depends on destination regulations and carrier policies. We'll confirm feasibility upon shipment request.
question:Why are shipping costs so high? Are there more economical options?
answer:Costs vary by weight, size, and service speed. We offer multiple carriers and optimize rates based on your needs.
question:Do you provide technical selection services?
answer:Yes, our experts assist in product specifications and compatibility to ensure optimal solutions for your 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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