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APEX offers full-service design, engineering and manufacturing to your specifications. Our custom fasteners have enjoyed great success supplying all types and sizes of businesses in most sectors of industry.
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Tamper Resistant Socket Flat Head Sealing Screws

Socket Flat Head Sealing Screw - Silicone O-Ring Sealing Screw Diagram

Socket Flat Head sealing screws have a socket recess and is cone shaped for use in countersunk holes the flat top fits flush with the mated surface. Each Socket Flat Head sealing screw is equipped with a unique, malleable and strong captive O-ring. This device delivers extraordinary results. The O-ring, which fits tightly and precisely in the groove under the screw head, acts as a total deterrent against external/internal contamination from air, water, gas and other materials. As a result, these screws will perform like never before, granting your most sensitive equipment unbeatable protection with 360 degrees of sealant while achieving metal-to-metal contact.

All parts are made from 18-8 Stainless Steel.

O-Ring Materials Available: Silicone (-SSS), Fluorosilicone (-FSS), Buna (-BSS), and Viton (-VSS).

Apex Part NumberThreadLengthHex Socket SizeHeadPart MaterialO-Ring
SE04C0018HPINFSEALSSS4-403/16"1/16"Socket Flat Head300 Stainless SteelSilicone
SE04C0025HPINFSEALSSS4-401/4"1/16"Socket Flat Head300 Stainless SteelSilicone
SE04C0037HPINFSEALSSS4-403/8"1/16"Socket Flat Head300 Stainless SteelSilicone
SE04C0050HPINFSEALSSS4-401/2"1/16"Socket Flat Head300 Stainless SteelSilicone
SE06C0025HPINFSEALSSS6-321/4"5/64"Socket Flat Head300 Stainless SteelSilicone
SE06C0037HPINFSEALSSS6-323/8"5/64"Socket Flat Head300 Stainless SteelSilicone
SE06C0050HPINFSEALSSS6-321/2"5/64"Socket Flat Head300 Stainless SteelSilicone
SE06C0075HPINFSEALSSS6-323/4"5/64"Socket Flat Head300 Stainless SteelSilicone
SE08C0025HPINFSEALSSS8-321/4"3/32"Socket Flat Head300 Stainless SteelSilicone
SE08C0037HPINFSEALSSS8-323/8"3/32"Socket Flat Head300 Stainless SteelSilicone
SE08C0050HPINFSEALSSS8-321/2"3/32"Socket Flat Head300 Stainless SteelSilicone
SE08C0075HPINFSEALSSS8-323/4"3/32"Socket Flat Head300 Stainless SteelSilicone
SE08C0100HPINFSEALSSS8-321"3/32"Socket Flat Head300 Stainless SteelSilicone
SE10F0037HPINFSEALSSS10-323/8"1/8"Socket Flat Head300 Stainless SteelSilicone
SE10F0050HPINFSEALSSS10-321/2"1/8"Socket Flat Head300 Stainless SteelSilicone
SE10F0075HPINFSEALSSS10-323/4"1/8"Socket Flat Head300 Stainless SteelSilicone
SE10F0100HPINFSEALSSS10-321"1/8"Socket Flat Head300 Stainless SteelSilicone
SE25C0050HPINFSEALSSS1/4"1/2"5/32"Socket Flat Head300 Stainless SteelSilicone
SE25C0075HPINFSEALSSS1/4"3/4"5/32"Socket Flat Head300 Stainless SteelSilicone
SE25C0100HPINFSEALSSS1/4"1"5/32"Socket Flat Head300 Stainless SteelSilicone


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APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
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