Socket Flat Head Sealing Screws

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 Number	Thread	Length	Hex Socket Size	Head	Part Material	O-Ring
SE04C0018HFSEALSSS	4-40	3/16"	1/16"	Socket Flat Head	300 Stainless Steel	Silicone
SE04C0025HFSEALSSS	4-40	1/4"	1/16"	Socket Flat Head	300 Stainless Steel	Silicone
SE04C0037HFSEALSSS	4-40	3/8"	1/16"	Socket Flat Head	300 Stainless Steel	Silicone
SE04C0050HFSEALSSS	4-40	1/2"	1/16"	Socket Flat Head	300 Stainless Steel	Silicone
SE06C0025HFSEALSSS	6-32	1/4"	5/64"	Socket Flat Head	300 Stainless Steel	Silicone
SE06C0037HFSEALSSS	6-32	3/8"	5/64"	Socket Flat Head	300 Stainless Steel	Silicone
SE06C0050HFSEALSSS	6-32	1/2"	5/64"	Socket Flat Head	300 Stainless Steel	Silicone
SE06C0075HFSEALSSS	6-32	3/4"	5/64"	Socket Flat Head	300 Stainless Steel	Silicone
SE08C0025HFSEALSSS	8-32	1/4"	3/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE08C0037HFSEALSSS	8-32	3/8"	3/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE08C0050HFSEALSSS	8-32	1/2"	3/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE08C0075HFSEALSSS	8-32	3/4"	3/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE08C0100HFSEALSSS	8-32	1"	3/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE10F0037HFSEALSSS	10-32	3/8"	1/8"	Socket Flat Head	300 Stainless Steel	Silicone
SE10F0050HFSEALSSS	10-32	1/2"	1/8"	Socket Flat Head	300 Stainless Steel	Silicone
SE10F0075HFSEALSSS	10-32	3/4"	1/8"	Socket Flat Head	300 Stainless Steel	Silicone
SE10F0100HFSEALSSS	10-32	1"	1/8"	Socket Flat Head	300 Stainless Steel	Silicone
SE25C0050HFSEALSSS	1/4"	1/2"	5/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE25C0075HFSEALSSS	1/4"	3/4"	5/32"	Socket Flat Head	300 Stainless Steel	Silicone
SE25C0100HFSEALSSS	1/4"	1"	5/32"	Socket Flat Head	300 Stainless Steel	Silicone