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1/2 inch length 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.

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

Buy Self-Sealing Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
MAINSOURCNHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2phil pan sealing sc 18-8 ss800
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GOEBELTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 1/2-w/washer (hnbr-318ln) s/s (318ln) hh32,500
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CenturyFLSelf-Sealing ScrewPlain#6-32 x 1/2bae # 364a1529p2 6-32 x 1/2 ovalersized phillips pan seal screw s per print bae systems 364a1529p275
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CenturyFLSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2nt352r1032fc8 seal screw 10-32 x 1/2 phillips pan hd stainless10-32x1/2phpanssbun531516
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CenturyFLSelf-Sealing ScrewPlain#4-40 x 1/2apm # s4-40x1/2 2615 seal screw 4-40 x 1/2 slotten pan head seal screw w/fluoro silicone o-ring apm hexseal25
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CenturyFLSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22-56 x 1/2 phillips pan seal screw viton o ring 18/820
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CenturyFLSelf-Sealing ScrewPlain#10-24 x 1/2ms51869-13 10-24 x 1/2 screw164
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CenturyFLSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 phillips pan seal screw viton o ring 18/8500
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CenturyFLSelf-Sealing ScrewPlain#4-40 x 1/2apm r4-40x1/2 2701-tp 4-40 x 1/2 phillips pam head seal screw silicone o-ring w/nylon patch200
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HayesCASelf-Sealing ScrewSteelPlain#6-32 x 1/2ms 3212-15 6-32 x 1/2 phil pan seel screw (silicone o-ring)56
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HayesCASelf-Sealing ScrewSteelPlain#4-40 x 1/2ms3212-5 4-40 x 1/2 phil pan seel screw 18-82056
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HayesCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32 x 1/2 s-pan seel scr sil-oring 18-8ss100
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HayesCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32 x 1/2 p-pan seel scr sil-oring 18-8ss587
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HayesCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 p-pan seel scr sil-oring 18-8ss bk/ox2185
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HayesCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32 x 1/2 p-pan seel scr sil-oring 18-8ss bk/ox420
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HayesCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 p-100 flat seel scr sil-oring 18-8ss100
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 1/2phillips pan sealing 18-8 s/s w/ buna-n oring82
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YANKEENHSelf-Sealing ScrewSteelPlain#6-32 x 1/2phil pan m/s seal- stn stl black300
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YANKEENHSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2phillips pan seal- 18-8 304 black-oxide592
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MESAFASTCASelf-Sealing ScrewSteelZinc/Clear#8 x 1/2hwh selfdrill w/sealing whsr zc6,500.0
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EndriesWISelf-Sealing ScrewSteelPlain#8 x 1/2#8x1/2 hwh self dr illing screw oxiseal7657
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AIHAZSelf-Sealing ScrewSteelPlain#4-40 x 1/2MS3212-556
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2pan slotted seal screw s/s 18-8 4-40x1/2 383
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2phil pan seal screw s/s 18-8 8-32x1/2 102
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2flat slotted seal screw s/s 18-8 10-32x1/2 300
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat slotted seal screw s/s 18-8 4-40x1/2 1850
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain120 x 1/2phil flat seal sc s/s 18-8 1/-20x1/2 100
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/2phil pan seal sc s/s18-8 1/4-20x1/2 o-rb 300
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2pan slotted seal screw s/s 18-8 8-32x1/2 1840
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NAPPCOTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2pan slotted seal screw s/s 18-8 10-32x1/2 190
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OneMonroeNCSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22-56 x 1/2 ph pan seal screw t-r efi 18-8ss65
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OneMonroeNCSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 phillips flat hd seal sc t-sfr multi 18-8ss250
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OneMonroeNCSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 ph pan seal screw t-r viton 18-8ss bkps15
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OneMonroeNCSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/28-32 x 1/2 slotted pan hd seal screw t-s apm 18-8ss50
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Alma BoltMISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 1/2st. st. hwh type-a w/bond seal washr500
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LibertyILSelf-Sealing ScrewSteelZinc/Clear#6-32 x 1/2phillips flat m-300-a plating per attached .0003-.0005 clear Cr3+ chromium & sealer topcoat w/wax 96 hr to onset of white corrosion .0003-.0005 clear Cr3+ chromium & sealer topcoat w/wax 96 hr to onset of white corrosion800
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Future FastenerTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 phil pan seal screw ss633
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Future FastenerTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/210-32 x 1/2 phillips flat seal screw ss (with o ring)510
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GOEBELTXSelf-Sealing Screw316, 317, A4 StainlessPlain#8 x 1/2-w/washer (epdm-316) s/s (318ln) hhinquire
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Irwin IndOntSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 x 1/2 ss 18-8 phil pan seelscrew with silicone oring183
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ManscoMISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 truss phil m/s 18-8 s/s w/516 orange vibraseal patch 100/box26476
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EndriesWISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 phillips pan head seal screw 18-8 buna-n o-ring4929
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EndriesWISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 hex head se al screw silicone o-ring stainless 18-8875
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EndriesWISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 slotted pan h ead seal screw stainless 18-8 buna-n o-ring1500
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EndriesWISelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 phillips pan head seal screw stainless 18-82856
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OlanderCASelf-Sealing ScrewSteelZinc/Clear1/2-13 x 1/21/2-13 x 1/2 hx hd seelskrewsst rohs () ()59
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32 x 1/2 ph pan seelskrew sst ()500
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OlanderCASelf-Sealing ScrewSteelPlain#4-40 x 1/24-40 x 1/2 phil flat 100 deg seelskrew ()54
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 slot pan hd seelskrew sst ()107
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32 x 1/2 ph pan seelskrew sst rohs ()800
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OlanderCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22-56x1/2 phillips pan seelskrew sst rohs 2C50PPMSB/SEEL ()1225
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OlanderCASelf-Sealing ScrewSteelPlain#6-32 x 1/26-32 x 1/2 phil flat 100deg seelskrew ()900
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OlanderCASelf-Sealing ScrewSteelPlain#8-32 x 1/28-32 x 1/2 phil flat 100 deg seelskrew ()714
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OlanderCASelf-Sealing ScrewSteelPlain#4-40 x 1/24-40 x 1/2 phil flat 100 deg seelskrew ()749
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OlanderCASelf-Sealing ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 hx hd seelskrewsst rohs ()91
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OlanderCASelf-Sealing ScrewSteelPlain#6-32 x 1/26-32 x 1/2 phil flat 100 deg seelskrew ()997
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HayesCASelf-Sealing Screw316, 317, A4 StainlessPlain#4-40 x 1/24-40x1/2 phil pan seel screw w/buna oring 316ss24
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GlobalCASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2phillips pan seal screw 18-8495
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GlobalCASelf-Sealing ScrewSteelPlain#10-32 x 1/2slotted pan seal screw st.184
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2phil pan seal screw 18-8 sst #4-40 x 1/2307
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/2phil pan seal screw 18-8 sst #6-32 x 1/2516
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2slotted pan seal screw 18-8 sst #4-40 x 1/261
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/2slotted pan seal screw 18-8 sst #6-32 x 1/2261
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2slotted pan seal screw 18-8 st #10-32 x 1/2116
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2slotted pan seal screw 18-8 sst #8-32 x 1/2791
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Bryce FastenerAZSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 button head seal rex ss{0gp6-198.2
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IRFNJSelf-Sealing ScrewSteelZinc/Black#5 x 1/2phillips panil t/s type-25 stl nickel black Cr3+ with sealer1277
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IRFNJSelf-Sealing ScrewSteelZinc/Clear5/16-18 x 1/2indented hex washer unslotted m/s type-f stl nickel clear Cr3+ with sealer21973
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IRFNJSelf-Sealing ScrewSteelZinc/Clear#8 x 1/2pan phil hi lo stl nickel clear Cr3+ with sealer6595
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DeltaTXSelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2phil pan seal screw 18-8 st #10-32 x 1/279
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IRFNJSelf-Sealing ScrewSteelZinc/Clear1/4-20 x 1/2phil pan m/s stl nickel clear & sealer212354
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IRFNJSelf-Sealing ScrewSteelZinc/Clear1/4-20 x 1/2phil pan m/s stl nickel clear & sealer212354
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IRFNJSelf-Sealing ScrewSteelZinc/Clear1/4-20 x 1/2phil pan m/s stl nickel clear & sealer212354
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RevcarVASelf-Sealing ScrewSteelPlain#8-32 x 1/2slotted pan m/s polyseal iii7,000
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FMPMASelf-Sealing Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/2phillips pan seal/s with silicon o-ring350
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