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APM Hexseal has published its latest fastener catalogue featuring an expanded line of high-pressure, stainless-steel self-sealing screws, bolts, rivets, nuts and washers in imperial and metric sizes.

Screws and bolts utilise an embedded silicone O-ring, capable of withstanding pressure up to 20,000psi and operating in a temperate range of -160F to +500F.

Nuts and washers employ a moulded-in elastomeric barrier that seals both the threads and through hole.

A variety of sealing materials are available, including fluoro-silicone, Viton and Buna N neoprene.

All meet UL recognition and are RoHS and DFARS compliant.

Several popular thread locking options can also be specified along with tamper-resistant drive styles.

The APM self-sealing fastener line has been sold under the following trademarks: Seelskrew, Seelbolt, Seelnut, Seelrivet and Seeloc (washer).

Their applications are found in mechanical and electrical fastening on marine (including underwater instrumentation), automotive (including heavy construction equipment), aviation, test and measurement instrumentation (including specialised GPS systems), medical and military equipment (including night-vision goggles), hydraulic and pneumatic systems, and so on.

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