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Home Product M12*200 Big Head Carriage Bolt - High Strength Coach Screw with Domed Top for Construction Machinery
Big head carriage bolt M12*200

M12*200 Big Head Carriage Bolt - High Strength Coach Screw with Domed Top for Construction Machinery

heavy duty big head bolts
M12x200 carriage bolt
large head structural bolts
Big head carriage bolt M12*200
Heavy duty big head bolts, M12x200 carriage bolt with large head structural bolts for robust construction and structural applications. Designed for enhanced load distribution and secure fastening in heavy-duty projects.
Categories:Fasteners & Fixings
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Product Description

Parameter Specification
Product Type Heavy Duty Big Head Carriage Bolt
Model Designation M12x200 Structural Carriage Bolt
Thread Diameter 12 mm (M12)
Shank Length 200 mm
Head Type Oversized Domed Head
Drive Type Square Neck Below Head
Material Grade Carbon Steel (Class 8.8) / Stainless Steel (A4-80)
Tensile Strength 800 MPa (Class 8.8) / 800 MPa (A4-80)
Surface Finish Hot-Dip Galvanized or Plain Finish
Standards Compliance ASTM A307 / DIN 603 / ISO 7412
Head Diameter 24 mm ±0.5 mm
Square Neck Dimensions 10 mm x 10 mm
Thread Pitch 1.75 mm (Standard Coarse Thread)
Proof Load 22,400 N (Class 8.8)
Typical Applications Structural Steel Connections, Heavy Machinery Assembly
question:Can you provide shipment photos and procurement dates for similar products?
answer:We can provide shipment photos and procurement dates under a confidentiality agreement upon request.
question:Why can other suppliers source discontinued models you cannot offer?
answer:Suppliers may have remaining stock or equivalents; we prioritize current models with verified quality and availability.
question:How do you ensure product quality and compliance?
answer:All products undergo strict quality checks and comply with international standards before shipment.
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 you provide shipment photos and procurement dates for similar products?
answer:We can provide shipment photos and procurement dates under a confidentiality agreement upon request.
question:Why can other suppliers source discontinued models you cannot offer?
answer:Suppliers may have remaining stock or equivalents; we prioritize current models with verified quality and availability.
question:How do you ensure product quality and compliance?
answer:All products undergo strict quality checks and comply with international standards before shipment.
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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