ZNiBolt
DIN 603 Carriage Bolt
DIN 603 Carriage Bolt view 1
DIN 603 Carriage Bolt view 2

DIN 603 Carriage Bolt

DIN 603ISO 8677

Mushroom head square neck carriage bolt per DIN 603. The smooth dome head and square shoulder provide a secure, tamper-resistant connection.

Technical Specifications

StandardDIN 603 / ISO 8677
Size RangeM6-M20
Grade4.8, 8.8
MaterialCarbon Steel
HeadRound / Mushroom
NeckSquare (anti-rotation)
SurfaceHDG / Zinc-Nickel / Yellow Zinc

Key Features

  • Square neck prevents rotation
  • Smooth dome head for safety
  • One-sided assembly

📦 Business Terms

MOQ: 500 pcs (negotiable for trial orders)
Lead Time: 15-25 days for standard orders
Sample: Free samples available, shipping on buyer's account
Payment: T/T 30% deposit, 70% before shipment
Shipping: FOB Ningbo
Custom: Custom sizes, grades, coatings, and packaging available
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Applications

Wood-to-metal connectionsGuardrails & fencingSolar panel mounting