CARRIAGE BOLT, STAINLESS STEEL ACID PROOF A4-70
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Carriage bolts, also known as round head square neck bolts, are used in timber structures together with a nut and washer where you need an installation without a protruding head.
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The Carriage bolt is made of stainless steel acid proof A4 for use outdoors.
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Install in pre-drilled holes that are slightly larger than the bolt diameter. Knock in the Carriage bolt so that the square neck sinks into the timer. Now fit the nut and washer and tighten to a suitable torque. As the Carriage bolt is designed for installation in wood there are no details concerning tightening torque.
Technical Specification
| Main Materials | Stainless steel A4 |
| Corrosion resistance class | C5 A4 |
| Material | A4-70 |
| Standards | DIN 603 |