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M4.2 Self-Sealing Screws

Self-Sealing Screws are usually special-purpose machine screws with a groove under the head of the screw, which, in association with a mating O-ring, forms a seal when the screw is tightened.

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Buy Self-Sealing Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
NationalOntSelf-Sealing ScrewBrassASTM F1941-10 Fe/Zn-NiM4.2-1.41 x 20m4.2x1.41x20 screw lrg round t15 br pt steel znni black cr3+ w/sealer1158400
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