Thread size
M6-M16 typical.
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Solar Mounting Systems
Carriage Bolts - DIN 603
Round-head square-neck bolts for controlled anti-rotation in mounting assemblies.
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Designed around the assembly.
DIN 603 carriage bolts use a smooth round head with a square neck that seats into the mating part to resist rotation during tightening.
Send drawing for confirmationLength range
20-200 mm typical.
Neck geometry
Square neck dimensions follow the selected bolt size and mating part.
Fit confirmation
Final dimensions, tolerances and coating are confirmed against the approved drawing and application requirements.
Quotation requirements
Material and approval details.
Share the component quantity, material, finish, assembly environment and any relevant drawing so we can confirm the correct configuration.
Materials
- Carbon steel
- Stainless steel 304
- Stainless steel 316
Finish options
- Zinc plated
- Hot dip galvanized
- Plain stainless, passivated
Common standards
- DIN 603
- ISO equivalent on request
- Customer drawing
Applications
- Solar support frames
- Timber connections
- General outdoor assemblies