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Home Product M10*200 Big Head Carriage Bolt - Heavy Duty Fastener, Zinc Plated, Woodworking & Construction Hardware
Big head carriage bolt M10*200

M10*200 Big Head Carriage Bolt - Heavy Duty Fastener, Zinc Plated, Woodworking & Construction Hardware

Big head carriage bolt M10x200
M10-200 heavy carriage bolt
Large head square neck bolt
Big head carriage bolt M10*200
Big head carriage bolt M10x200 (M10-200 heavy carriage bolt) with large head square neck bolt design ensures secure fastening in construction, machinery, and automotive applications. Durable material, reliable performance.
Categories:Fasteners & Fixings
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Product Description

The Big head carriage bolt M10x200, also known as M10-200 heavy carriage bolt or Large head square neck bolt, is a high-strength fastener designed for structural applications. With M10 metric thread diameter and 200mm shank length, it features a domed oversized head (typically 20-22mm diameter) and integrated square neck to prevent rotation during installation. Manufactured from grade 5.8 or 8.8 steel with hot-dip galvanized/zinc-plated finish, it operates in -30°C to 150°C environments, suitable for construction, machinery, and heavy equipment assembly. The square neck requires 8-10mm pre-drilled holes in mating materials. Advantages include superior vibration resistance and load distribution, while its large head profile may limit use in space-constrained applications. Compatible with M10 nuts and washers, this bolt withstands tensile strengths up to 800 MPa, ideal for timber framing, industrial rigging, and structural steel connections requiring permanent anchoring.
Parameter Specification
Product Model Big head carriage bolt M10x200, M10-200 heavy carriage bolt, Large head square neck bolt
Diameter (D) 10 mm
Length (L) 200 mm
Thread Pitch 1.5 mm
Head Type Large round head with square neck
Head Diameter 20 mm
Material Carbon steel (Grade 8.8 / ASTM A307)
Surface Finish Hot-dip galvanized (ISO 1461)
Tensile Strength 800 MPa (min)
Yield Strength 640 MPa (min)
Torque Capacity 110 N·m (dry), 90 N·m (lubricated)
Square Neck Dimensions 10 mm x 10 mm (height: 5 mm)
Standards ASTM A307, DIN 603, ISO 7412
Drive Type Hex drive (17 mm wrench size)
Weight 245 g ±5% (per unit)
question:How is after-sales service handled if a refurbished product malfunctions?
answer:We will replace the product immediately or offer a full refund based on inspection results.
question:Do you provide technical selection consulting services?
answer:Yes, we offer complimentary preliminary technical consultation to optimize product compatibility.
question:Why is a handling fee charged for transactions?
answer:The fee covers payment processing, administrative costs, and international transaction compliance services.
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:How is after-sales service handled if a refurbished product malfunctions?
answer:We will replace the product immediately or offer a full refund based on inspection results.
question:Do you provide technical selection consulting services?
answer:Yes, we offer complimentary preliminary technical consultation to optimize product compatibility.
question:Why is a handling fee charged for transactions?
answer:The fee covers payment processing, administrative costs, and international transaction compliance services.
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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