Self-Sealing Hardware

APM HEXSEAL Self-Sealing Hardware features fasteners and washers, including SEELSKREWS®, SEELBOLTS®, SEELNUTS®, and SEELOC® WASHERS. This reusable hardware offers positive sealing under pressure or vacuum and resists loosening due to vibration. Optional O-ring seal materials assure performance with a wide variety of gasses and liquids. APM HEXSEAL Self-Sealing Hardware is easy to install, compatible with all surface finishes, and tested and listed to UL Standard 50, Types 1-13.

Types of Electromechanical

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Results: 153
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
APM HEXSEAL Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 703In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 854In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 27In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 2.241In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 128In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 136In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 11In Stock
100Expected 10/08/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 758In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG 1.191In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR 963In Stock
2.150Expected 24/08/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 506In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 5/16-24 THREAD 15In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 65In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 3In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 816In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 6-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 481In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 30In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 8-32X5/8", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 29In Stock
Min.: 1
Mult.: 1

APM HEXSEAL S4-40X1/2 2701
APM HEXSEAL Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 82In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 87In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG
12.170On Order
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 1In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
197Expected 06/08/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
293On Order
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 1In Stock
Min.: 1
Mult.: 1