The Heidelberg C5.006.431 clamping bolt is a mechanical spare part for Heidelberg offset press assemblies. Heidelberg’s own eShop lists C5.006.431 /01 with the official product name “Clamping bolt,” which is the strongest naming evidence and the correct technical term to use in the listing.
Part number and variants
The base number is C5.006.431. The official Heidelberg catalog format shown publicly is C5.006.431/01. I did not find reliable evidence of other official Heidelberg suffix revisions for this exact item in the accessible sources, so the safest format is to sell it as C5.006.431 / C5.006.431/01 and verify the installed part before ordering.
Technical term used in the industry
The correct technical term is clamping bolt. A coating-cylinder parts catalog page also shows C5.006.431 = Klemmbolzen / Clamping bolt / Boulon de serrage / Perno de sujeción, which reinforces that terminology across languages.
Documented compatibility
Compatibility is partially documented in open sources. A CD 102 parts list shows C5.006.431/01 – Clamping bolt under CD 102. Royo lists it as “Clamping bolt for SM102/CD102”. Additional secondary-market sources associate it with SM 74 / CD 74, and some broader marketplace listings also mention SX 74. Because those wider fitment claims are seller-based rather than fully exposed in Heidelberg’s own shop snippet, the safest sales wording is: for selected CD 102, SM/CD 102, SM 74, and CD 74 applications; technical verification recommended by machine model and serial number.
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