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Home Product M6x40 Metric External Hex Bolts Stainless Steel Heavy-Duty Automotive Fasteners
Metric external hexagonal bolts M6*40

M6x40 Metric External Hex Bolts Stainless Steel Heavy-Duty Automotive Fasteners

metric hex bolts M6x40
M6-40 external hex bolts
high strength M6x40mm bolts
Metric external hexagonal bolts M6*40
Metric hex bolts M6x40, also known as M6-40 external hex bolts, are high-strength fasteners designed for industrial and mechanical applications. These M6x40mm bolts feature durable metric threading and a standard external hex head for easy installation with wrenches. Ideal for heavy-duty use.
Categories:Fasteners & Fixings
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Product Description

Designed for robust mechanical fastening, the metric hex bolts M6x40 (M6-40 external hex bolts) feature a 6mm diameter and 40mm shank length, engineered for high-strength applications in automotive, machinery, and construction industries. These high strength M6x40mm bolts are typically crafted from grade 8.8 or 10.9 steel, offering a tensile strength of 800-1000 MPa, with optional corrosion-resistant coatings like zinc plating. Suitable for environments ranging from -50°C to +150°C, they ensure stability under extreme conditions. The external hex head enables easy torque application using standard wrenches, supporting installation in tight spaces. Ideal for structural assemblies, these bolts provide excellent load distribution but may require precise alignment during installation. Surface treatments enhance durability against moisture and chemicals.
Parameter Specification
Thread Size M6x40
Head Type External Hexagonal
Material Grade 8.8 Steel / Stainless Steel A2-70
Strength Class High Strength (8.8 / A2-70)
Thread Pitch 1.0 mm
Hexagon Head Width 10 mm
Thread Length 28 mm
Surface Treatment Plain, Zinc Plated, or Hot-Dip Galvanized
Standards ISO 4014, DIN 933
Torque Capacity 9.6 Nm (Dry) / 7.2 Nm (Zinc Plated)
question:Can I arrange self-pickup via official courier?
answer:Yes, you can schedule self-pickup with our partnered couriers directly.
question:Do you accept payment after shipment?
answer:No, we require payment confirmation before processing shipments.
question:Are bulk order discounts available?
answer:Yes, discounts apply for orders exceeding 1000 units.
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 I arrange self-pickup via official courier?
answer:Yes, you can schedule self-pickup with our partnered couriers directly.
question:Do you accept payment after shipment?
answer:No, we require payment confirmation before processing shipments.
question:Are bulk order discounts available?
answer:Yes, discounts apply for orders exceeding 1000 units.
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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