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 (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS
APM HEXSEAL Screws & Fasteners 4.282In Stock
$802
$621
$597
$464
$442
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG 8.019In Stock
$966
$764
$648
$595
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw 6.150In Stock
$1.087
$852
$778
$688
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 5.714In Stock
$1.098
$853
$665
$639
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 4.245In Stock
$966
$741
$675
$595
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 156In Stock
$812
$580
$528
$463
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners Screws and Fasteners 290In Stock
$1.098
$879
$747
$688
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM 611In Stock
$889
$796
$456
$442
$389
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 302In Stock
$1.307
$1.023
$934
$827
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM 438In Stock
$1.131
$882
$685
$672
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG 25In Stock
$2.525
$2.009
$1.691
$1.581
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 25In Stock
$1.636
$1.318
$1.109
$1.031
$724
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 90In Stock
$1.087
$847
$773
$681
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL 94In Stock
150Expected 10/15/2026
$2.086
$1.680
$1.416
$1.318
$966
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 64In Stock
$1.186
$929
$849
$751
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM 169In Stock
$834
$651
$594
$524
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 297In Stock
$1.307
$1.056
$896
$827
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 100In Stock
$988
$770
$646
$630
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 297In Stock
$1.307
$1.023
$785
$775
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM 2.108In Stock
$834
$651
$594
$524
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 3.230In Stock
$1.076
$830
$691
$646
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 27In Stock
$1.636
$1.318
$1.109
$1.031
$724
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 16In Stock
$1.307
$1.023
$785
$775
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING 54In Stock
$1.230
$965
$883
$746
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 40In Stock
$1.416
$1.142
$969
$897
$617
Min.: 1
Mult.: 1