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M3 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.

16 results, (click on any line for more information)

Buy Self-Sealing Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
EximS'poreSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black OxideM3 x 4screw pan head slotted recess s/sblack oxide w. fluorosilicone sealo ring m3 x 4 mm685
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DeltaTXSelf-Sealing Screw316, 317, A4 StainlessPlainM3-0.50 x 5phil pan seal screw 316 st m3-.5x5 (SILICON O-RING)50
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 5M3-.5x5 phillips pan seelskrew sst rohs .3C5PPMS/SEEL ()150
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YANKEENHSelf-Sealing ScrewSteelPlainM3-0.50 x 6M3(.5)x6 slotted pan m/s seal- stn stl250
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 6M3(.5)x6 phillips pan 18-8 s/s seal w/buna-n o-ring (6.5 dia)57
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 6M3(.5)x6 phillips pan seal- (6.0 dia jis spec) a2 18-8 304106
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black OxideM3-0.50 x 6M3(.5)x6 phillips pan seal- (6.5 dia) a2 18-8 304 w/3226
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black OxideM3-0.50 x 6M3(.5)x6 phillips pan seal- (6.0 dia jis spec) a2 18-8 304 w/910
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MAINSOURCNHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black OxideM3 x 6m3 x 6 phil pan sealing sc jis 18-8 ss blk600
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 8M3(.5)x8 phillips pan machine seal- 18-8 304 w/silicon o-ring100
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Irwin IndOntSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3 x 8m3 x 8 pan phil sealing screw stainless w-oring2061
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 10m3(.5) x 10 phillips pan machine seal-screw stainless steel w / viton o-ring7
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EximS'poreSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PassivatedM3 x 10screw w/sealant pan head torx 10 recessstainless steel 302 passivation m3 x 10mm48490
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CenturyNYSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxideapm# rm3x4mm-2701 bo m3-.5x4 phil pan hd seal screw ss blk ox apm hexseal2000
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TrifastTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3 x 12m3x12 phillips pan a2 s/ssealscrew plain self finish975
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 12m3-.5 x 12 ph pan seelskrew sst rohs ()396
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