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Metric Socket Countersunk Sealing Screws

Metric Socket Countersunk Sealing Screws

What are Metric Socket Countersunk Sealing Screws ?

A high-tech Self Sealing Screw configured with a built-in O-ring, this fastener is designed to create a permanent hermetic seal, preventing internal and external leakages, stopping contaminants or toxins seeping into the environment.

This type of Sealing Screw, produced by US based company ZAGO to Military Specifications, is also commonly referred to as an O Ring Screw. These fasteners are intended to be used even under extreme temperatures and atmospheres, fortifying and protecting machinery from damage. Metric Socket Countersunk Sealing Screws are manufactured with pressure resistance to 1500 psi and meet Military Standard NASM 82496.

Installing a clearance hole into the surface of the mating panel is advised in order to allow the O-Ring to reshape itself within this gap. This forms a 360° airtight seal, whilst permitting metal-to-metal contact for optimal performance.

This Sealing Screw is fitted with a standard Hexagon (Socket) Drive for simple installation and is compatible with our range of Metric Hexagon Socket Key Wrenches.

Accu can also supply Metric Torx Countersunk Sealing Screws, suitable for applications requiring higher torque transmission and increased cam-out resistance.

Materials

This range of Socket Countersunk Sealing Screws are made from 304 (A2) Stainless Steel as standard.

For the captive O Ring several material options can be chosen from, with Buna, Fluorosilicone and Viton (Fluorocarbon) all offered as standard. For alternative Screw and O Ring materials, please speak to a member of the Accu team.

This Self Seal Screw range is also available with AccuLock, our specialist thread locking patch, designed to help prevent fasteners from self loosening.

Sizes

Manufactured in accordance with DIN 7991 standard, Accu’s range of Metric Socket Countersunk Sealing Screws are available in M3 up to M8 thread sizes, with lengths from 5mm to 30mm.

Accu also offers Imperial Sealing Socket Countersunk Screws in our standard range.

Bespoke Metric Socket Countersunk Sealing Screws Manufacture

High precision, bespoke manufacture of Metric Socket Countersunk Sealing Screws to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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