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#4 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.
121 results, (click on any line for more information)
| Buy Self-Sealing Screws from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Liberty | IL | Self-Sealing Screw | Steel | Phosphate | #4-40 x 3/32 | socket set cup point black phos & oil non chrome seal dry to touch rohs | 2,375 |
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| TSF | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | seal screw silicone o-ring stainless steel phillips pan head 4-40 x 1/8 | 5 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 p-pan seel scr sil-oring 18-8ss bk/ox | 67 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 p-pan seel scr sil-oring 18-8ss | 500 |
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| YANKEE | NH | Self-Sealing Screw | Steel | Plain | #4-40 x 3/16 | phil pan m/s seal- stn stl | 200 |
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| FMP | MA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | phillips pan seal/s with silicon o-ring | 100 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 ph pan seelskrew sst rohs () | 655 |
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| JET FITTING | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/32 | machine screw pan slotted 440x7/32 stainless steel w/seal | 59 |
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| Ababa | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 p-pan mach screw sealing w/viton o ring | 500 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | phillips pan seal- 18-8 s/s w/buna-n o-ring | 400 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 1/4 | phillips pan seal- 18-8 s/s w/silicone (red/orng) o-ring | 3910 |
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| ACF | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 1/4 | screw machine pan cross recessed o ring self sealing MS3212-1 | 890 |
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| ACF | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 1/4 | 4-40x1/4 s/s phil pan epr o-ring seal screw passivate | 100 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 ph pan seelskrew sst rohs () | 1586 |
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| Century | FL | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 ph pan seal screw 18-8 apm hexseal r440x1/42701 | 250 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | phil pan seal screw s/s 18-8 4-40x1/4 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 387 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 phillips pan head seal screw stainless 18-8 silicone o-ring | 31 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | ms3212-1 4-40 x 1/4 phil pan seel screw 18-8 | 47 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 p-pan seel scr sil-oring 18-8ss bk/ox | 60 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | flat slotted seal screw s/s 18-8 4-40x1/4 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 432 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | pan slotted seal screw s/s 18-8 4-40x1/4 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 952 |
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| Century | NY | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/4 phillips pan hd sealscrew 18-8 | 152 |
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| Century | FL | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | ms3212-1 | 3300 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 slot pan hd seelskrew sst () | 332 |
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| Century | NY | Self-Sealing Screw | Steel | Plain | ms3213-1 screw machine(pnh xrec) selfse .112-40x .25l cres | 2 |
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| Global Fa | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 1/4 | #4-40x1/4 ss phil/pan sealscrew with extra-light/vibratite black/oxide | 3500 |
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| Century | NY | Self-Sealing Screw | Steel | Plain | ms3213-1 screw machine(pnh xrec) selfse .112-40x .25l cres | 2 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 phillips pan machine seal-screw stainless steel | 197 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 phil pan m/s seal-screw s/s | 1000 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x .313 | ms3212-2 | 927 |
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| Century | FL | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | ms3213-2 | 8 |
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| NAPPCO | TX | Self-Sealing Screw | Steel | Plain | #4-40 x 5/16 | #4-40 x 5/16 phil pan seal screw | 100 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 5/16 | 4-40x5/16 phillips100 degree flat seel screw 18-8 blk ox silicon o-ring | 679 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 phillips pan head seal screw stainless 18-8 silicone o-ring | 1714 |
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| Future Fastener | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 slotted pan seal screw ss | 100 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | phil pan seal screw 18-8 st #4-40 x 5/16 | 113 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | pan slotted seal screw s/s 18-8 4-40x5/16 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 6 |
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| Hayes | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 5/16 | ms3212-2 4-40 x 5/16 phil pan seel screw 18-8 | 91 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 ph pan seelskrew sst rohs () | 195 |
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| Olander | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 5/16 | 4-40 x 5/16 phil flat 100 deg seelskrew () | 716 |
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| AIH | AZ | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 sealing phil pan m/s s/s pass 304ss MS3213-2 | 38 |
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| Olander | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 5/16 | 4-40 x 5/16 phil flat 100 deg seelskrew () | 64 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | military spec 4-40x3/8 phillips pan head sealing screw (silicone o ring) 18-8 304 steel | 25 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 phil pan m/s seal-screw stainless steel | 5 |
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| YANKEE | NH | Self-Sealing Screw | Steel | Plain | #4-40 x 3/8 | phil pan m/s seal- stn stl black | 50 |
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| Hewes | NY | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 type s slotseelskrew s/s | 100 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Silver | #4-40 x 3/8 | 4-40x3/8 18-8 s/s steel phillips pan head sealing screw w/sil o-ring | 250 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 ph pan seelskrew sst rohs () | 350 |
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| Irwin Ind | Ont | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 pan phillips seel screw silicone o-ring 18.8 s/s | 2876 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 3/8 | ms3212-3 nasm3212-3 (NASM3212-3) (NASM3212-3) | 191 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | phil pan seal screw s/s 18-8 4-40x3/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 24 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 3/8 | 4-40x3/8 phillips100 d eg countersink head seel screw 18-8 black ox silicon o-ring | 2518 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phillips100 d eg countersink head seel screw 18-8 silicon o-ring | 800 |
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| SJS Prod | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 440 x 3/8 p/h phil m/s ss seal screw |
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| SJS Prod | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 440 x 3/8 p/h phil m/s ss seal screw |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | phil pan seal screw 18-8 sst #4-40 x 3/8 | 600 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | slotted pan seal screw 18-8 sst #4-40 x 3/8 | 300 |
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| Hayes | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 3/8 | ms3212-3 4-40 x 3/8 phil pan seel screw 18-8 | 73 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 p-pan seel scr sil-oring 18-8ss bk/ox | 820 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 s-pan seel scr sil-oring 18-8ss | 100 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 p-100 flat seel scr sil-oring 18-8ss | 50 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | flat slotted seal screw s/s 18-8 4-40x3/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 700 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | phil flat seal sc s/s 18-8 4-40x3/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 667 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | pan slotted seal screw s/s 18-8 4-40x3/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 18 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 slot pan hd seelskrew sst () | 90 |
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| Olander | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 phil flat 100 deg seelskrew () | 1094 |
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| Bossard | AZ | Self-Sealing Screw | Steel | Plain | screw-4-40x3/8 phillips pan head ms3213-3 | 100 |
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| Century | NY | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | apm hexseal r4-40x3/8-2701 4-40 x 3/8 phil pan seal scr ss | 266 |
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| Century | NY | Self-Sealing Screw | Steel | Plain | ms3212-3 nasm3212-3 | 191 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 ph pan seelskrew sst rohs () | 571 |
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| Olander | CA | Self-Sealing Screw | Steel | Black Oxide | #4-40 x .40 | 4-40 x .40 ph pan seelskrewsst blk () | 500 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | military spec 4-40x7/16 phillips pan head sealing screw (silicone o ring) 18-8 304 steel | 25 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40 x 7/16 phil pan m/s seal-screw s/s | 300 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 7/16 | ms3212-4 | 534 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | slotted pan seal screw 18-8 st #4-40 x 7/16 | 59 |
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| MAINSOURC | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | phil pan sealing sc 18-8 ss blk | 2907 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | pan slotted seal screw s/s 18-8 4-40x7/16 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 138 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | phil pan seal screw 18-8 st #4-40x7/16 (WITH SILICONE O-RING) | 120 |
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| Hayes | CA | Self-Sealing Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/2 | 4-40x1/2 phil pan seel screw w/buna oring 316ss | 24 |
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| YANKEE | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 1/2 | phillips pan sealing 18-8 s/s w/ buna-n oring | 82 |
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| Future Fastener | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 phil pan seal screw ss | 633 |
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| Bryce Fastener | AZ | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 button head seal rex ss{0gp6- | 198.2 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | apm hexseal r4-40 x 1/2 2701 phil pan (SEALING SCREW WITH SILICONE ORING 18-8 S/S DFARS) (SEALING SCREW WITH SILICONE ORING 18-8 S/S DFARS) | 218 |
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| Irwin Ind | Ont | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 ss 18-8 phil pan seelscrew with silicone oring | 1343 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | ms3213-5 | 1336 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | ms3212-5 | 39 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | pan slotted seal screw s/s 18-8 4-40x1/2 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 383 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | phil pan seal screw s/s 18-8 4-40x1/2 | 290 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 phillips pan head seal screw 18-8 buna-n o-ring | 4929 |
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| Endries | WI | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 phillips pan head seal screw stainless 18-8 | 2856 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | phil pan seal screw 18-8 sst #4-40 x 1/2 | 307 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | slotted pan seal screw 18-8 sst #4-40 x 1/2 | 61 |
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| Hayes | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | ms3212-5 4-40 x 1/2 phil pan seel screw 18-8 | 2056 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 p-pan seel scr sil-oring 18-8ss bk/ox | 2185 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 p-100 flat seel scr sil-oring 18-8ss | 100 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | flat slotted seal screw s/s 18-8 4-40x1/2 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 1850 |
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| AIH | AZ | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | MS3212-5 | 56 |
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| Olander | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 phil flat 100 deg seelskrew () | 54 |
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| Century | NY | Self-Sealing Screw | Steel | Plain | apm r4-40x1/2 2701-tp 4-40 x 1/2 phil pam head seal screw silicone o-ring w/nylon patch apm hexseal r4-40x1/2 2701-tp | 200 |
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| Century | FL | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 phillips pan seal screw viton o ring 18/8 | 2500 |
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| Century | NY | Self-Sealing Screw | Steel | Plain | apm s4-40x1/2 2615 seal screw 4-40 x 1/2in slotten pan head seal screw w/fluoro silicone o-ring apm hexseal | 25 |
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| Olander | CA | Self-Sealing Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 phil flat 100 deg seelskrew () | 749 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | phil pan seal screw 18-8 st #4-40 x 9/16 | 1000 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | slotted pan seal screw 18-8 st #4-40 x 9/16 | 100 |
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| MAINSOURC | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 phil pan sealing sc patch 18-8 ss | 100 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 5/8 | 4-40x5/8 phill pan head seal screw (4-40X5/8 PHILL PAN HEAD SEAL SCREW STAINLESS W/ASSEMBLED SILICONE WASHER. 90825A619) (4-40X5/8 PHILL PAN HEAD SEAL SCREW STAINLESS W/ASSEMBLED SILICONE WASHER. 90825A619) | 4000 |
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| Century | FL | Self-Sealing Screw | Steel | Plain | #4-40 x 5/8 | ms3212-7 | 1960 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | phil pan seal screw s/s 18-8 4-40x5/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 25 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | slotted pan seal screw 18-8 sst #4-40 x 5/8 | 258 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40 x 5/8 p-pan seel scr sil-oring 18-8ss | 50 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | phil flat seal sc s/s 18-8 4-40x5/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 335 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc .) | Plain | #4-40 x 5/8 | pan slotted seal screw s/s 18-8 4-40x5/8 (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) (11-SEAL SCREWS) | 189 |
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| NAPPCO | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | pan slotted seal scr 18-8 ss 4-40 x 3/4 | 100 |
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| Delta | TX | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | slotted pan seal screw 18-8 sst #4-40 x 3/4 | 359 |
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| FMP | MA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | phillips pan seal/s with silicon o-ring | 1400 |
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| Hayes | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 p-pan seel scr sil-oring 18-8ss | 50 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 ph pan seelskrew sst rohs () | 300 |
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| Global | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | 4-40x7/8 phil pan m/s seal screw 18-8 ss pa silicone o-ring | 533 |
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| Olander | CA | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | 4-40 x 1 1/4 ph pan seelskrew sst rohs () | 50 |
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| MAINSOURC | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 5/8 | phil pan sealing sc 18-8 ss blk | 122 |
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| MAINSOURC | NH | Self-Sealing Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 7/8 | phil pan sealing sc 18-8 ss blk | 502 |
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