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Thread-rolling screw
Thread-rolling screw - 1
Thread-rolling screw - 2

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Thread-rolling screw

DIN 7500-1, hexagon head with collar, case-hardened (-O-) galvanised steel, blue passivated (A2K)

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Available in 11 versions

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Thread-rolling screws form a nut thread in cast blind holes, rim holes and drilled, lasered and punched sheet metal parts. Unlike thread cutting, thread rolling does not interrupt the material structure in the counter thread. Instead, the material is displaced and strain-hardened.



Eliminates thread cutting


Cost savings



Chip-free thread formation



TRILOBULAR shape of the screw combined with the radius profile of the thread flanks


  • Low rolling torques with large thread flank overlap

High clamping force



Large thread flank overlap


High load capacity



Strain-hardened counter thread (nut thread)


Greater load capacity



Play-free and self-locking thread seating


  • Reduced likelihood of screw working loose

  • Protection against loss


The formed thread corresponds to a standard metric thread

Notice

The values for the hole diameters are guideline values, which should be verified by testing the original parts. Further information can be found in the DIN 7500-2 standard.